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This study aims to examine the effect of the Problem Based Learning (PBL) model in Physical Education learning for volleyball at SMK Candra Naya Jakarta. The research method used was an experiment with a One Group Pretest-Posttest design. The sample consisted of 39 eleventh-grade students selected using Cluster Random Sampling technique. The research instrument was a test of overhead and underhand passing skills in volleyball. The results showed that the average pretest score of 14.05 increased to 17.77 in the posttest, with hypothesis testing (Paired Samples Test) yielding tcount > ttable (9.833) and a significance of 0.000 (p < 0.05). This proves that the PBL model significantly improves students' volleyball passing skills. Additionally, PBL encourages active participation, teamwork, and critical thinking skills. Therefore, the PBL model can be an innovative alternative in Physical Education learning, particularly for volleyball.

This study aims to determine the effectiveness of breaststroke leg movement training modifications in improving swimming skills of extracurricular swimming participants at SMP Yos Sudarso. The background of this study is based on the low mastery of basic leg movement techniques in breaststroke which is one of the inhibiting factors in student achievement. The research method used is a quantitative approach with a quasi-experimental design. The subjects of the study were 20 students participating in extracurricular swimming who were selected purposively. The instrument used was an observation sheet for breaststroke leg movement technique skills. The results of the study showed that the application of training modifications, such as the use of a buoy board and variations in movements on land, significantly improved the quality and coordination of students' leg movements. Thus, training modifications have proven effective and can be used as an alternative learning approach that is fun and adaptive for beginner students in extracurricular swimming activities.

This report contains the results of interviews conducted by students of Elementary School Teacher Education Program of Santo Thomas Catholic University with teachers and fifth grade students of SDN 068332 Medan Tuntungan. The main purpose of the interviews was to obtain information about learning difficulties, aggressive behavior, and student discipline. Through a qualitative approach and direct interviews, three main problems were found: students who experience learning difficulties, students with aggressive behavior, and students who often skip school or are undisciplined. The results of the interviews showed that learning difficulties were influenced by lack of concentration and learning support at home, aggressive behavior was caused by lack of emotional management and attention from the environment, and discipline problems were related to minimal motivation and family supervision. The guidance actions taken showed positive developments, such as increased courage of students to ask questions, reduced conflict between friends, and improved student attendance rates. The discussion emphasized the importance of collaboration between teachers, students, and parents to create a supportive learning environment. Guidance and counseling services with an empathetic approach and storytelling techniques have proven effective in fostering changes in students' attitudes and behaviors. In conclusion, open communication and consistent guidance are the keys to successful interventions for student problems in elementary schools.

This research analyzes the aesthetic values and symbolic meanings of The Siborang Struggle Monument in Padang Sidempuan City. It aims to raise awareness among people who pass by the monument about the importance of remembering the services of heroes who fought tirelessly to defend Indonesia’s independence. The purpose of this research is to describe the aesthetic values based on Monroe Beardsley’s aesthetic theory and to uncover the symbolic meanings according to Langer’s symbol theory, as represented in The Siborang Struggle Monument. The research method employed is qualitative with a descriptive approach, using data collected through observation, interviews, and literature studies. The results show that The Siborang Struggle Monument holds significant aesthetic value through its unique local architectural form and conveys a strong symbolic meaning as a representation of bravery and sacrifice. This is reflected in the statue’s facial expression, which depicts a passionate fighting spirit while carrying war tools such as a sharpened bamboo spear with a flag, Molotov cocktails, and firearms, along with elegant color choices that carry implicit meanings. The study concludes that the monument not only serves as a commemorative structure but also stands as a symbol of national identity and pride. This research is expected to foster a spirit of patriotism and resilience in the younger generation and can serve as a reference for future studies on related topics.

Tujuan penelitian ini untuk menghasilkan proses dan hasil pengembangan LKPD berbasis Problem Solving pada materi Statistika yang valid serta mengetahui respon peserta didik terhadap kepraktisan LKPD. Penelitian ini merupakan penelitian pengembangan yang terdiri dari 5 tahap yaitu Analisis (Analyze), Rancangan (Design), Pengembangan (Development), Implementasi (Implementation) dan Evaluasi (Evaluation). Subjek penelitian adalah peserta didik kelas VIII SMP Bina Tama Palembang sebanyak 20 orang. Data Penelitian terdiri dari data kualitatif dan kuantitatif. Data kualitatif diperoleh dari tahap validasi produk berupa saran, kritikan, masukan dan tanggapan dari tim ahli materi dan desain, yang digunakan untuk memperbaiki LKPD. Data kuantitatif diperoleh dari penilaian validator, pendidik dan peserta didik sebagai responden. Data kuantitatif ini didasarkan pada angket respon yang diberikan pada tahap uji perorangan dan uji coba kelompok kecil. Teknik Pengumpulan Data menggunakan instrumen data berupa angket dan tes. Teknik Analisis Data digunakan untuk mengolah data menjadi sebuah informasi, sehingga dapat digunakan untuk aspek yang dipenuhi dalam LKPD baik dari segi kevalidan dan kepraktisan. Berdasarkan hasil uji kevalidan oleh ahli instrumen, ahli materi dan ahli desain, uji kepraktisan oleh peserta didik, maka LKPD berbasis Problem Solving tergolong sangat baik, sehingga disimpulkan bahwa LKPD berbasis Problem Solving valid dan praktis.

In the rapidly evolving realm of digital communication, typography serves not only as a medium for conveying information but also as an expressive tool that bridges readability and emotional resonance. This study explores typographic expression in multilingual digital media, aiming to identify design strategies that enhance both legibility and affective impact across linguistic contexts. Employing a qualitative approach, the research analyzes case studies of contemporary digital platforms and conducts user testing with participants from diverse language backgrounds. The findings reveal that typeface selection, spacing, and typographic hierarchy significantly influence users' emotional perception and reading efficiency. Furthermore, the interplay between script-specific features and universal design principles emerges as a key factor in achieving balanced communication. The study concludes by proposing a framework for typographic design that harmonizes aesthetic sensibility with functional clarity, particularly in multilingual digital environments. These insights are intended to inform designers, developers, and researchers aiming to craft emotionally engaging yet readable digital interfaces for global audiences.

This study explores the aesthetic experience and user perception resulting from the use of minimalism in contemporary web design. As minimalism continues to shape modern digital aesthetics, understanding how users emotionally and cognitively engage with minimalist interfaces becomes increasingly relevant. The research aims to identify how visual simplicity, functional clarity, and negative space contribute to user satisfaction and usability. Employing a mixed-method approach, including user testing and surveys with a sample of 60 participants, this study evaluates responses to minimalist and non-minimalist website prototypes. The findings reveal that minimalist design enhances perceived elegance and ease of navigation, while also increasing the sense of trust and professionalism. However, the absence of visual cues can challenge some users in completing complex tasks. These insights highlight the importance of balancing visual simplicity with user guidance to optimize user experience. This research contributes to the evolving discourse on digital aesthetics and provides practical implications for designers seeking to integrate minimalist principles without compromising functionality.

This study explores the potential of animation as a visual medium for reconstructing local myths and preserving cultural heritage in contemporary society. Amid rapid globalization and digitalization, many local myths are at risk of fading from public consciousness. The objective of this research is to analyze how animation can serve as an effective storytelling tool to revitalize and transmit traditional narratives to younger generations. Using a qualitative method with a case study approach, the study examines selected animated works that reinterpret local myths from various regions in Indonesia. The findings indicate that animation provides a dynamic platform to reintroduce mythological elements through engaging visuals and narratives while maintaining cultural authenticity. Moreover, the integration of modern visual techniques helps bridge the generational gap, making traditional stories more relatable and accessible. This study highlights the role of visual communication in cultural sustainability and encourages further interdisciplinary collaboration in the fields of design, folklore, and education.

Urban street art has become a significant visual medium reflecting identity, resistance, and cultural memory within Southeast Asian cities. This study explores how street art in urban environments such as Jakarta, Bangkok, and Manila serves as a visual narrative, embedding local symbolism and identity expression into public space. The objective is to analyze how visual elements in street art communicate social, cultural, and political messages. A qualitative method is employed, utilizing visual semiotics and ethnographic observation to examine selected murals and graffiti. The findings reveal that recurring motifs, such as traditional symbols, mythological figures, and vernacular language, function as tools of cultural assertion and urban storytelling. These visual narratives not only document community histories but also challenge dominant urban narratives, reclaiming marginalized voices. The study highlights the role of street artists as agents of social commentary and urban transformation. Implications suggest that recognizing street art as a form of visual narrative contributes to a broader understanding of cultural identity construction in urban Southeast Asia.

Improving the quality of education in higher education is highly dependent on the performance of lecturers, which includes teaching ability, contribution in research, community service, and other academic and non-academic activities. This study aims to design and implement a Decision Support System for measuring lecturer performance using the Analytic Network Process (ANP) method at Universitas Teknologi Akba Makassar (UNITAMA). The ANP method was chosen because of its ability to handle relationships between interdependent criteria. The study used a quantitative approach with descriptive and explanatory research types. Data were collected through document studies and interviews with related parties at UNITAMA. The results of system testing using the black box method showed that the system ran well as expected. This system is able to provide a comprehensive picture of lecturer performance and support more objective decision making. This study also opens up opportunities for further development, such as integration with other academic systems and feature enhancements based on institutional needs.

Color plays a crucial role in graphic design, especially in attracting audience attention on social media. This study aims to analyze the influence of certain colors on the level of audience engagement in health product advertisements. By collecting data from experiments involving a sample of social media users, this study identifies colors that are effective in increasing user interaction and visual appeal. The results indicate that certain colors can increase the effectiveness of visual communication in health product advertisements.

The development of digital technology, especially augmented reality (AR) technology, offers great potential in enhancing interactive and engaging learning experiences. This study aims to explore the use of AR technology in designing adaptive learning media for high school students in Indonesia. Using an experimental design approach, this study assesses the impact of AR media on students' understanding and motivation in learning abstract concepts. The results show that the application of AR can improve visual understanding and student engagement in the learning process.

Digital applications in the cultural tourism sector require effective interface design to improve user convenience and satisfaction. This study focuses on developing a user interface (UI) design that is intuitive and easily accessible to domestic and international tourists. Through user-based research methods and prototype testing, this study formulates design elements that can facilitate navigation and access to cultural information. The findings show that user-friendly UI design can improve user interest and experience in exploring Indonesian cultural heritage.

A healthy and aesthetic work environment is an important factor in increasing employee productivity and comfort. This study examines the application of visual art principles, such as color selection, lighting, and natural elements, in environmentally friendly office interior design. This study uses a case study approach in several modern offices in major cities in Indonesia that apply the green concept. The results of the study indicate that visual art-based design can create a more conducive atmosphere, as well as increase work satisfaction and efficiency.

This study examines the working mechanisms of various global satellite navigation systems, such as GPS, GLONASS, Galileo, and BeiDou, as well as their integration potential across multiple sectors. The research uses a qualitative descriptive approach through literature review of relevant scientific sources. All satellite navigation systems operate based on the principle of triangulation using radio signals from satellites equipped with high-precision atomic clocks. The procedure includes satellite deployment, signal transmission, distance measurement, and position calculation by receiver devices.The results show that although each system has distinct technical characteristics and strategic orientations, integration between systems—through GNSS, SBAS, radar, and Earth observation technologies—can enhance the accuracy, reliability, and coverage of global navigation services. These systems offer wide-ranging benefits in areas such as transportation navigation, fleet tracking, disaster mitigation, environmental conservation, and military applications. This research emphasizes the importance of understanding the procedures and integration of satellite navigation systems to support cross-sector operational efficiency and strengthen technological resilience in the face of global challenges.

This study examines the application of transportation problems in an effort to minimize goods transportation costs in various factories in Indonesia, using a Systematic Literature Review (SLR) approach. Transportation problems, as a part of operations research, focus on optimizing distribution costs from sources to destinations. In the industrial context, good planning and strategy are essential to save transportation costs and increase profits. This study analyzes ten relevant journals published between 2017 and 2025, exploring various methods such as the transportation model, North West Corner, Stepping Stone, and Vogel's Approximation Method (VAM), including its modification (MVAM), to achieve efficiency in logistics distribution. The results of the study indicate that the application of these methods significantly contributes to reducing operational costs, accelerating distribution processes, and increasing overall logistics effectiveness in the Indonesian manufacturing sector.

This research employs a Systematic Literature Review (SLR) approach to analyze the application of the simplex method as a tool for solving real-world optimization problems. Mathematics education plays a crucial role in developing critical thinking and achieving accurate results. Linear programming, with its highly effective simplex method, is a branch of mathematics proven to solve various optimization challenges such as cost minimization, profit maximization, distribution, and scheduling. In practice, the simplex method is an alternative algorithm that systematically searches for the optimal solution to problems by moving from one feasible solution to another until the best result is achieved. This study identifies, examines, evaluates, and interprets relevant studies on the simplex method's application in real-world contexts. Our review of 20 journals reveals that the simplex method is highly effective in solving a wide range of optimization problems, from large-scale industries to Micro, Small, and Medium Enterprises (MSMEs). Examples of its application include optimizing fish feed costs at PT. Indojaya Agrinusa, maximizing profits for Seblak MSMEs, determining optimal sales quantities for areca nuts, and optimizing the production of tofu and pottery crafts, among others. The simplex method's ability to consider various limiting factors has proven to be extremely helpful.

This study presents a Systematic Literature Review (SLR) focusing on the application of the Branch and Bound (B&B) method in production optimization. In modern industry, achieving operational efficiency and profitability is essential, yet optimization often yields fractional solutions that are unrealistic for indivisible entities. The Branch and Bound method, as part of Integer Programming, has proven effective in addressing these constraints by converting fractional solutions into optimal integer values. This SLR analyzed 12 scientific articles published between 2016 and 2024, sourced from databases such as Google Scholar, Scopus, and SINTA. The analysis reveals that B&B is widely utilized to maximize production profit across various sectors, including spring beds, woven fabrics, bread, and furniture, often formulated as Integer Linear Programming (ILP) problems. Furthermore, this method is also applied to minimize production time and determine the shortest routes. Overall, B&B is a flexible and efficient tool that assists companies in managing resources and achieving maximum profit with realistic integer solutions.

This study aims to examine the use of Macaulay2 software in improving students' computational thinking skills in mathematics learning, especially in abstract algebra material. Macaulay2 as an open-source Computer Algebra Sistem (CAS) provides a symbolic and algorithmic environment that encourages logical and systematic exploration of mathematical concepts. Literature reviews show that the use of Macaulay2 can strengthen conceptual understanding, train computational thinking, and introduce mathematical programming to students. However, technical challenges, limited Indonesian language teaching materials, and limited educational infrastructure are obstacles that need to be overcome through collaboration between educational stakeholders.

Perilaku konsumen dalam pembelian ayam broiler dipengaruhi oleh berbagai faktor yang saling berkaitan. Penelitian ini bertujuan untuk menganalisis pengaruh perilaku konsumen dalam pembelian ayam broiler serta mengidentifikasi faktor utama yang menentukan keputusan pembelian. Metode yang digunakan dalam penelitian ini adalah Systematic Literature Review (SLR) dengan pendekatan PRISMA, yang melibatkan analisis terhadap 15 jurnal nasional maupun internasional yang dipublikasikan dalam rentang waktu 2020-2025. Setelah melalui proses seleksi, sebanyak 13 jurnal dinyatakan relevan dan digunakan dalam analisis lebih lanjut. Hasil penelitian menunjukan bahwa faktor pribadi memiliki pengaruh terbesar terhadap keputusan pembelian ayam broiler, dengan tingkat keterlibatan mencapai 100%. Faktor ini mencangkup aspek harga, kualitas produk, tampilan, kemasan, dan kebersihan. Selain itu, faktor budaya sebesar 15%, sosial, dan psikologis masing-masing memiliki pengaruh sebesar 23%. Temuan ini menunjukan bahwa pemahaman mendalam mengenai perilaku konsumen menjadi aspek krusial bagi pelaku usaha dalam menyusun strategi pemasaran yang lebih efektif. Dengan memahami faktor-faktor utama yang mempengaruhi keputusan pembelian, produsen dan pedagang ayam broiler dapat menyesuaikan produk, harga, serta strategi promosi agar lebih sesuai dengan kebutuhan dan preferensi konsumen.