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Ade Masroni; Nafan Tarihoran

International Journal of Multilingual Education and Applied Linguistics 2026 Asosiasi Periset Bahasa Sastra Indonesia

This systematic literature review examines the implementation of Content and Language Integrated Learning (CLIL) in Indonesian senior high schools. Following PRISMA guidelines, nine studies published between 2021 and 2025 were analyzed to identify the benefits and challenges of this approach. The findings reveal that CLIL effectively enhances student engagement, motivation, and the integrated development of subject knowledge and English proficiency. However, implementation is often hindered by limited teacher readiness, insufficient collaboration between subject and language teachers, and a lack of appropriate assessment methods. Analysis using the 4Cs Framework shows that while Content and Communication are prioritized, Cognition and Culture receive less explicit attention. The study implies that successful CLIL sustainability requires continuous professional development and stronger institutional support within the Merdeka Curriculum. These results provide a strategic basis for educators and policymakers to optimize bilingual instruction in Indonesia.

Riva Sulsi Putri; Cinta Putri Syailin; Dara Yuniza Putri; Nurul Kurnia Ramadhani; Putri Nurhairin +1 more

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study aims to examine the influence of slang language usage on the use of Indonesian language in WhatsApp communication among students of Class F, Indonesian Language and Literature Education Study Program, Universitas Negeri Padang, academic year 2025/2026. This research employed a quantitative descriptive method with a correlational approach. The population and sample consisted of 35 students selected using total sampling technique. Data were collected through questionnaires using a Likert scale and analyzed using descriptive analysis, Pearson correlation test, and simple linear regression. The results indicate that the use of slang language is categorized as high, while the use of standard Indonesian language is categorized as moderate. The correlation analysis shows a negative relationship between slang usage and the use of Indonesian language in WhatsApp communication. These findings suggest that higher intensity of slang usage tends to reduce the use of proper Indonesian language. This study is expected to raise students’ awareness of the importance of using appropriate Indonesian language according to communication contexts, particularly in academic settings.

Okta Vitriani; Aninditya Sri Nugraheni

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

Polysemy is an important semantic phenomenon in Indonesian language learning in elementary schools because one word form can have more than one interrelated meaning. Understanding polysemy affects students' reading skills, text comprehension, and literacy development. However, studies that specifically examine polysemy in elementary school Indonesian language materials are still limited. This study aims to examine the forms of polysemy, how they are presented in Indonesian language textbooks for elementary schools, and their implications for student understanding. The study uses a qualitative approach with a literature review design. Data were obtained from semantics books and national and international journal articles published between 2017 and 2024 that were relevant to the research topic. Data analysis was conducted using content analysis techniques. The results of the study show that polysemy in elementary school Indonesian language materials appears in the form of context-based, functional, and extended meanings, with a presentation that is not yet fully systematic, thus potentially causing misconceptions and affecting students' reading comprehension.

Okta Vitriani; Aninditya Sri Nugraheni

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

Polysemy is an important semantic phenomenon in Indonesian language learning in elementary schools because one word form can have more than one interrelated meaning. Understanding polysemy affects students' reading skills, text comprehension, and literacy development. However, studies that specifically examine polysemy in elementary school Indonesian language materials are still limited. This study aims to examine the forms of polysemy, how they are presented in Indonesian language textbooks for elementary schools, and their implications for student understanding. The study uses a qualitative approach with a literature review design. Data were obtained from semantics books and national and international journal articles published between 2017 and 2024 that were relevant to the research topic. Data analysis was conducted using content analysis techniques. The results of the study show that polysemy in elementary school Indonesian language materials appears in the form of context-based, functional, and extended meanings, with a presentation that is not yet fully systematic, thus potentially causing misconceptions and affecting students' reading comprehension.

Riva Sulsi Putri; Cinta Putri Syailin; Dara Yuniza Putri; Nurul Kurnia Ramadhani; Putri Nurhairin +1 more

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study aims to examine the influence of slang language usage on the use of Indonesian language in WhatsApp communication among students of Class F, Indonesian Language and Literature Education Study Program, Universitas Negeri Padang, academic year 2025/2026. This research employed a quantitative descriptive method with a correlational approach. The population and sample consisted of 35 students selected using total sampling technique. Data were collected through questionnaires using a Likert scale and analyzed using descriptive analysis, Pearson correlation test, and simple linear regression. The results indicate that the use of slang language is categorized as high, while the use of standard Indonesian language is categorized as moderate. The correlation analysis shows a negative relationship between slang usage and the use of Indonesian language in WhatsApp communication. These findings suggest that higher intensity of slang usage tends to reduce the use of proper Indonesian language. This study is expected to raise students’ awareness of the importance of using appropriate Indonesian language according to communication contexts, particularly in academic settings.

Ni Made Ari Dwijayanthi; I Nyoman Suarka; I Ketut Sudewa; I Gusti Ayu Agung Mas Triadnyani

International Journal of Multilingual Education and Applied Linguistics 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study reinterprets Kakawin Panca Dharma through Carl Gustav Jung’s analytical psychology, viewing kalepasan (liberation) as a symbolic manifestation of the poet’s (kawi’s) inner transformation through the process of individuation. While previous studies have treated Kakawin Panca Dharma as a theological or ethical text, this paper argues that the discourse of kalepasan reflects archetypal structures of the psyche—shadow, anima, and Self—within the creative process of the kawi-wiku. Through a qualitative hermeneutic method integrating philological reading and Jungian symbolic interpretation, this research uncovers how motifs of silence (sunya), detachment (putus), and purification (wimala) embody stages of psychological transformation. The findings reveal that Kakawin Panca Dharma serves as a “temple of language,” where poetic creation functions as an act of active imagination, integrating conscious and unconscious dimensions of the self. Liberation thus signifies not only spiritual transcendence but psychological wholeness—the realization of the Self archetype.  

Madiana Madiana; Elpisah Elpisah; Devilla, Rego; Suarlin Suarlin

International Journal of Educational Development 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study investigates (1) the impact of the Flipped Classroom model on students’ learning independence in Social Studies, (2) its effect on Social Studies achievement, and (3) its simultaneous influence on both variables among Grade VIII students at SMPN 10 Satap Liukang Tangaya. A quantitative approach was applied using a quasi-experimental method with a Non-Equivalent Control Group Design. The sample comprised 33 students, with 17 assigned to the experimental class and 16 to the control class. Data collection instruments included a learning independence questionnaire, Social Studies achievement tests, observation sheets, and documentation. The data were analyzed through descriptive statistics, normality and homogeneity tests, paired samples t-tests, independent samples t-tests, and MANOVA using SPSS. The findings reveal that the Flipped Classroom model significantly enhances students’ learning independence, as evidenced by independent samples t-test results (Sig. < 0.05). It also significantly improves Social Studies learning outcomes, indicated by higher posttest scores in the experimental class compared to the control class (Sig. < 0.05). Furthermore, MANOVA results confirm a significant simultaneous effect on both learning independence and achievement (Sig. < 0.05). These results demonstrate that the Flipped Classroom model effectively improves the overall quality of Social Studies instruction for Grade VIII students.

Huswatun Hasanah; Sugiman Sugiman

International Journal of Educational Development 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study aims to identify students' learning obstacles in the process of understanding one-variable linear equations in grade VII, develop an appropriate learning trajectory using a Realistic Mathematical Education (RME) approach, and produce an effective learning design to reduce these obstacles through generative models. The research adopts a design research methodology consisting of three main stages. The first stage, preparation for the experiment, includes a literature review and analysis of teachers’ instructional practices to develop a Hypothetical Learning Trajectory (HLT) for one-variable linear equations. The second stage, design experiment, involves testing the designed learning activities through a pilot experiment and teaching experiment. The third stage, retrospective analysis, compares actual classroom observations with the initial HLT to refine and validate the learning trajectory. The research subjects include seven grade VII students in the pilot experiment and 44 students from SMP Negeri 2 Mataram in the teaching experiment. Data collection methods include tests, observations, interviews, and documentation, with retrospective analysis used to generate a validated Local Learning Trajectory (LLT). The findings reveal several epistemological obstacles experienced by students, such as difficulties in applying fundamental arithmetic concepts (addition, subtraction, multiplication, division) within the context of linear equations. Students also struggled with concept recognition, representation, and interpretation of linear equations in various forms. The developed LLT proved effective, as students demonstrated improved understanding and were able to follow the learning sequence meaningfully. Retrospective analysis confirmed that the LLT successfully addressed and reduced students’ learning obstacles in mastering one-variable linear equations.

Didik Cahyono; Agung Rahmadani; Rizal Izmi Kusumawijaya

Publikasi Hasil Pengabdian dan Kegiatan Masyarakat 2026 Asosiasi Periset Bahasa Sastra Indonesia

Universities in border areas face challenges in recruiting prospective new students due to limited access to higher education information and low levels of advanced literacy studies among high school students. Bulungan Regency, as a border area in North Kalimantan, demonstrates this condition, which has an impact on the low number of high school graduates who continue their studies at Mulawarman University, especially the Faculty of Teacher Training and Education (FKIP). This community service activity aims to build a partnership strategy between FKIP Mulawarman University and Tanjung Palas State Senior High School and Tanjung Selor State Senior High School as an effort to improve students' understanding of higher education and increase enthusiasm for new student admissions. The implementation method uses a participatory university-school partnership approach through campus socialization activities, educational career workshops, student inspiration classes, virtual campus tours, guidance counselor training, and new student registration assistance. The evaluation program was conducted using pre-test and post-test questionnaires, interviews, and documentation of student registration data. The results of the activity showed a significant increase in students' understanding of FKIP Mulawarman University, from 42% to 85% at Tanjung Palas State Senior High School and from 45% to 88% at Tanjung Selor State Senior High School. The satisfaction rate of partner schools with the program is above 90%, and there has been an increase in student interest in continuing their studies at university. The program also strengthens the role of guidance counselors as information agents for higher education and fosters a sustainable collaborative network between universities and schools. It can be concluded that the School Partnership Program is effective as a strategy to increase new student enrollment at the Faculty of Teacher Training and Education at Mulawarman University and serves as a model for university service in expanding access to higher education in border areas. This program is recommended for continuation and implementation at other schools in North Kalimantan.

Didik Cahyono; Agung Rahmadani; Rizal Izmi Kusumawijaya

Publikasi Hasil Pengabdian dan Kegiatan Masyarakat 2026 Asosiasi Periset Bahasa Sastra Indonesia

This community service program aims to increase student interest and recruitment in the Physical Education and Sports Science Study Program at Mulawarman University in Berau Regency, East Kalimantan. The main problem faced is the low interest of high school students in continuing their studies in physical education and sports science due to limited information regarding study programs, university admission pathways, and career prospects for graduates. The implementation methods included direct academic outreach in schools, career education workshops, sports teaching clinics, and a digital campaign through social media. Evaluation was conducted using pre- and post-test interest questionnaires, teacher interviews, and recording the number of new student applicants. The results of the activity showed a significant increase in student understanding and interest in continuing their studies, as well as an increase in the number of new student applicants from the target schools. These findings indicate that the combination of direct academic promotion and digital campaigns is effective in increasing new student recruitment. The program also succeeded in establishing partnerships between universities and schools as a sustainable measure. This community service activity is recommended for replication in other regions to support equitable access to higher education in physical education and sports science.

Naila Kinanti; Eryne Adelia; Khairunnisah Tanjung

Jurnal Rumpun Ilmu Bahasa dan Pendidikan 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study examines the phenomenon of K-Pop slang usage among young generations and its influence on lifestyle and social identity formation. The research background reveals that K-Pop culture has significantly impacted language practices, particularly through the adoption of specific terms within fan communities. The objective is to analyze how K-Pop slang functions as a linguistic creativity tool and identity marker among Indonesian youth. Using a qualitative descriptive approach, data were collected from social media platform X (Twitter) through purposive sampling of posts containing K-Pop slang terms. Findings indicate that K-Pop slang encompasses semantic shifts, acronyms, abbreviations, and new terminology that strengthen community solidarity and collective identity. The implications suggest that while K-Pop slang serves as creative expression and social bonding mechanism, excessive usage may affect proper Indonesian language proficiency in academic contexts. This research contributes to understanding the balance between linguistic creativity, global cultural influence, and Indonesian language preservation.

Bernadeta Erni; Diah Ayu Dwi Satiti; Windy A. V. Fanggi; Filpin L.A. Haning; Oktaviana T.M.B. Adam +1 more

Publikasi Hasil Pengabdian dan Kegiatan Masyarakat 2026 Asosiasi Periset Bahasa Sastra Indonesia

Health issues are complex and require new ideas for their resolution. Public health focuses on disease prevention, health promotion, and physical, mental, and social therapy. Maternal and Child Health (MCH) and women’s health throughout their life cycle are crucial public health issues as they have a significant impact on the quality of human resources in a generation. In Pukdale Village, East Kupang District, Kupang Regency, problems such as the lack of knowledge among pregnant women about Chronic Energy Deficiency (CED), pregnancy anemia, Exclusive Breastfeeding (EBF), balanced nutrition, and weaning have been identified. To address these issues, a Community Midwifery Care program based on community service was carried out, which included counseling, training, demonstrations, and simulations. The results of this activity showed a positive response and active participation from the community in Pukdale Village in the programs implemented by the students. There was a significant improvement in the knowledge of pregnant women about CED, pregnancy anemia, EBF, as well as the knowledge of mothers of infants about balanced nutrition and weaning. This is expected to improve the overall health status of the community in the village.

Muhammad Taskil; Setfano Ade Nong Fecy; Ryani Ryani; Yeremias Bardi

Jurnal Kajian Ilmu Pendidikan, Bahasa dan Komunikasi 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study examines the implementation of Indonesian Language learning in higher education as a foundation for developing students’ academic literacy within an Outcome Based Education (OBE) framework. The research is motivated by serious concerns regarding students’ low academic writing ability, weak critical reading skills, and inconsistent use of academic language, which hinder the formation of academic culture at universities. The objective of this study is to describe and interpret the learning process, challenges, and outcomes of Indonesian Language courses in fostering academic literacy. This research employed a qualitative descriptive approach conducted intensively over a three-week period. Data were collected through classroom observations, in depth interviews with lecturers and students, and document analysis of lesson plans, teaching materials, and students’ academic assignments. The findings reveal that although the course design conceptually aligns with OBE principles, its classroom implementation has not fully emphasized reflective processes, critical engagement, and consistent academic language practice. Learning activities tend to focus on task completion rather than on the development of academic thinking processes. The study implies that Indonesian Language learning should be strengthened through reflective, contextual, and process oriented strategies to enhance students’ academic literacy and academic identity. These findings contribute theoretically to studies on academic literacy and practically to the improvement of Indonesian Language instruction in higher education.

Agustina Eupronia Sadipun; Lusia Montiana Wea; Nur Sakilla; Wahyuni Wahyuni; Yeremias Bardi

Jurnal Kajian Ilmu Pendidikan, Bahasa dan Komunikasi 2026 Asosiasi Periset Bahasa Sastra Indonesia

This study is grounded in the growing concern over the weakening of students’ critical literacy skills and cultural awareness in higher education, particularly in the context of rapid digitalization and the dominance of global discourse. Local cultural traditions, especially those rooted in Maumere society, have not been optimally utilized as meaningful academic literacy resources in Indonesian language learning. This research aims to explore how Maumere cultural traditions can be integrated as sources of critical literacy to strengthen students’ interpretative, analytical, and reflective abilities. Employing a qualitative research approach, data were collected through classroom observations, in depth interviews with students and lecturers, and documentation of learning materials in Indonesian language courses at Universitas Muhammadiyah Maumere. The findings reveal that traditional texts, narratives, rituals, and oral expressions from Maumere culture contain rich linguistic, ethical, and symbolic meanings that support the development of critical reading and writing skills. The integration of cultural texts encourages students to engage more deeply with academic discourse while simultaneously reinforcing local identity and cultural sensitivity. This study implies that culturally grounded literacy practices not only enhance academic competencies but also contribute to the preservation of local wisdom within higher education learning frameworks.

Stevania Deko; Fahera Hasan; Yeremias Bardi

Jurnal Kajian Ilmu Pendidikan, Bahasa dan Komunikasi 2026 Asosiasi Periset Bahasa Sastra Indonesia

Indonesian language education plays a strategic role in strengthening national identity and preserving cultural values amid the pressures of globalization. In the global era, the dominance of foreign languages, digital media, and transnational cultures poses challenges to the existence of national languages and local cultural identities. This study aims to analyze the role of Indonesian language education as an instrument for reinforcing national identity and cultural awareness in formal educational settings. The research employs a qualitative descriptive method with a literature review approach, examining scientific journals, policy documents, and relevant educational studies published within the last five years. Data were analyzed through content analysis to identify patterns, themes, and conceptual relationships related to language education and cultural identity. The findings reveal that Indonesian language education not only functions as a medium of communication but also serves as a vehicle for transmitting national values, cultural narratives, and collective identity. Learning materials that integrate local wisdom, literature, and cultural texts significantly contribute to students’ cultural awareness and national character development. Furthermore, Indonesian language education plays an important role in fostering critical literacy, cultural resilience, and a sense of belonging among learners in a globalized context. The study implies that strengthening Indonesian language education through curriculum development, contextual learning, and teacher competence enhancement is essential to sustaining national identity and cultural continuity in the era of globalization.

Amalia Safira; Yeremias Bardi; Rubiyati Junaidin

Jurnal Kajian Ilmu Pendidikan, Bahasa dan Komunikasi 2026 Asosiasi Periset Bahasa Sastra Indonesia

The development of academic writing skills among university students remains a serious challenge in higher education, particularly in Indonesian language courses that are often perceived as theoretical and procedural. This study aims to reconstruct Indonesian language learning through an Outcome Based Education (OBE) approach to strengthen students’ scientific writing skills at Universitas Muhammadiyah Maumere. Employing a qualitative research design, data were collected through classroom observations and in-depth interviews with students and lecturers over a three-week period. The findings reveal that OBE based learning encourages clearer learning objectives, increases students’ awareness of academic writing standards, and fosters reflective and critical writing practices. Students demonstrated improved understanding of scientific text structures, argument development, and academic language conventions. Furthermore, the learning process shifted from teacher centered instruction to a more participatory and student oriented model, allowing students to actively construct knowledge through observation, discussion, and writing practice. The study also highlights that the integration of contextual learning and continuous feedback plays a crucial role in enhancing students’ confidence and motivation in academic writing. These findings imply that OBE based Indonesian language instruction can serve as an effective pedagogical strategy to cultivate academic literacy, critical thinking, and responsible scholarly attitudes among university students. The study recommends broader implementation of OBE principles in language education to support sustainable improvement in higher education learning outcomes.

Marsya Nanda Dian Agustina; Miza Rahmatika Aini; Hesty Puspitasari

International Journal of Educational Development 2026 Asosiasi Periset Bahasa Sastra Indonesia

The study titled “Designing a Web-Based E-Module for Empowering Tenth-Grade Students’ Writing Skills in Descriptive Text” aims to develop a digital learning medium to improve students’ descriptive writing abilities. The research applies a Design and Development (D&D) approach using the ADDIE model, consisting of analysis, design, development, implementation, and evaluation, supported by a descriptive quantitative method. The study addresses limitations of traditional, teacher-centered instruction that relies heavily on printed materials by integrating technology into the learning process. The research begins with an analysis of existing teaching practices and learning resources for descriptive text writing. Based on this analysis, a web-based e-module is designed to provide a more interactive and engaging learning experience. The module includes structured materials such as definitions, purposes, text structures, language features, examples, and practice exercises. The e-module is then implemented in a tenth-grade classroom setting, followed by an evaluation of its effectiveness using quantitative data. The results indicate that the web-based e-module effectively improves students’ descriptive writing skills. Interactive features, including multimedia content, self-paced activities, and immediate feedback, enhance students’ motivation and active participation. Teachers and students report positive perceptions regarding the practicality, accessibility, and usefulness of the e-module. Pre-test and post-test results also show a clear improvement in students’ writing performance. Overall, the study concludes that web-based e-modules are a promising instructional medium for enhancing writing skills and supporting student-centered, technology-integrated English language learning.

Hermansyah Hermansyah; Rasuna Amirudin Dasing; Gazali Husin Rengiwur

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

Digital transformation in higher education has reshaped learning patterns and students’ academic practices, including how they manage and complete academic tasks. On the one hand, digital learning offers flexibility and easy access to learning resources; on the other hand, it has intensified tendencies toward academic task procrastination. This study aims to analyze students’ academic task procrastination as a socially constructed reality within the context of digital learning. The research adopts a qualitative approach with a case study design conducted at IAIN Fattahul Muluk Papua. Data were collected through in-depth interviews with students and lecturers and analyzed using Peter L. Berger and Thomas Luckmann’s social construction theory, encompassing the processes of externalization, objectivation, and internalization. The findings indicate that task procrastination is externalized through flexible learning schedules, digital media distractions, fatigue with instructional methods, and academic pressure. These practices are subsequently objectivated through students’ collective experiences and social relations with lecturers, leading them to be perceived as normative behavior in digital learning. Furthermore, task procrastination is internalized as a habit and an adaptive, taken-for-granted strategy within students’ learning rhythms. This study affirms that academic task procrastination cannot be reduced to an individual problem alone; rather, it emerges from the complex interaction between technological structures, pedagogical practices, and academic social dynamics. The findings are expected to contribute to the development of more reflective and contextual digital learning policies and strategies.

Hermansyah Hermansyah; Rasuna Amirudin Dasing; Gazali Husin Rengiwur

Jurnal Ilmu Pendidikan, Bahasa, Sastra dan Budaya 2026 Asosiasi Periset Bahasa Sastra Indonesia

Digital transformation in higher education has reshaped learning patterns and students’ academic practices, including how they manage and complete academic tasks. On the one hand, digital learning offers flexibility and easy access to learning resources; on the other hand, it has intensified tendencies toward academic task procrastination. This study aims to analyze students’ academic task procrastination as a socially constructed reality within the context of digital learning. The research adopts a qualitative approach with a case study design conducted at IAIN Fattahul Muluk Papua. Data were collected through in-depth interviews with students and lecturers and analyzed using Peter L. Berger and Thomas Luckmann’s social construction theory, encompassing the processes of externalization, objectivation, and internalization. The findings indicate that task procrastination is externalized through flexible learning schedules, digital media distractions, fatigue with instructional methods, and academic pressure. These practices are subsequently objectivated through students’ collective experiences and social relations with lecturers, leading them to be perceived as normative behavior in digital learning. Furthermore, task procrastination is internalized as a habit and an adaptive, taken-for-granted strategy within students’ learning rhythms. This study affirms that academic task procrastination cannot be reduced to an individual problem alone; rather, it emerges from the complex interaction between technological structures, pedagogical practices, and academic social dynamics. The findings are expected to contribute to the development of more reflective and contextual digital learning policies and strategies.

Fanesia Debi; Aldi Dwi Saputra

Jurnal Ilmu Bahasa dan Pendidikan Guru Sekolah Dasar 2026 Asosiasi Periset Bahasa Sastra Indonesia

Students of vocational high schools are required to write an internship report as a form of accountability for completing their industrial training. However, various language errors are still found in students’ PKL reports. This study aims to describe and analyze morphological errors in the PKL reports of vocational high school students majoring in Electronics Engineering. The study employed a descriptive qualitative approach using document analysis. A total of 223 PKL reports were written by all students of SMK Negeri 3 Yogyakarta in 2025. The research data consisted of 25 PKL reports from students of the Electronics Engineering major selected through purposive sampling. Data analysis was carried out through the stages of identification, classification, description, quantification, and interpretation of morphological errors, with data validity ensured through theoretical triangulation. The results show that 286 morphological errors were identified, consisting of prefix errors (96), suffix errors (52), confix errors (41), reduplication errors (28), compound word errors (34), and base-form errors (35). Prefix errors were the most dominant type, accounting for 33.6% of all errors. These findings indicate that students still experience difficulties in applying affixation rules and forming standard words in formal written language. Such errors are influenced by interference from spoken language and the technical language used in the workplace. This study highlights the importance of structured and contextual morphology instruction to improve the quality of vocational students’ PKL report writing.