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Analytics

Nurul Mukharomi Azizah; Wargijono Utomo

JURNAL RISET MANAJEMEN (JURMA) 2026 Institut Teknologi dan Bisnis (ITB) Semarang

This research aims to implement Business Intelligence and the TOPSIS method in a Decision Support System for selecting the best-selling products in retail stores through an analytical Dashboard. Retail businesses generate large amounts of transaction data every day, but the data is often only used for operational reporting and has not been optimally utilized for strategic decision making. This study integrates Business Intelligence technology, data Warehouse, ETL process, Dashboard Analytics, and TOPSIS method to analyze product sales patterns and determine the best-selling products based on several criteria such as sales quantity, stock turnover, profit level, customer demand, and sales frequency. The research method uses a system development approach consisting of data collection, dimensional modeling, ETL implementation, TOPSIS calculation, Dashboard design, and system evaluation. The results show that the implemented system can accelerate reporting processes, improve decision-making accuracy, and assist management in identifying strategic products quickly and interactively. The integration of TOPSIS with Business Intelligence Dashboards contributes to effective data-driven decision making in retail management.

Synda Lailatus Nadiva; Mulyono Mulyono; Choirul Anam

JURNAL MANAJEMEN DAN BISNIS EKONOMI 2026 Institut Teknologi dan Bisnis (ITB) Semarang

The development of sustainable tourism villages requires the implementation of management practices that enhance environmental performance through environmentally oriented leadership, community participation, and stakeholder engagement in achieving sustainability goals. This study aims to examine the influence of green leadership and community involvement on green performance, with employee engagement serving as a mediating variable among the stakeholders and managers of Punten Tourism Village, Batu City. A quantitative approach with an explanatory research design was employed. The study involved all stakeholders and managers of Punten Tourism Village using a saturated sampling technique. Data were analyzed using Partial Least Squares–Structural Equation Modeling (PLS-SEM) with SmartPLS 4 software. The findings reveal that green leadership and community involvement have positive and significant effects on green performance. Both variables also significantly enhance employee engagement, which, in turn, positively and significantly influences green performance. Furthermore, employee engagement partially mediates the relationships between green leadership and green performance, as well as between community involvement and green performance. These findings suggest that improving the environmental performance of tourism villages requires the integration of green leadership, active community involvement, and stronger stakeholder engagement to support the implementation of sustainable tourism practices.

Shela Juni Rahmawati; Agus Rafli Sugianto; Bela Bela

Jurnal Pajak dan Analisis Ekonomi Syariah 2026 Asosiasi Riset Ekonomi dan Akuntansi Indonesia

This study aims to analyze the phenomenon of tax burden, tax compliance, and tax-saving strategies and their influence on business survival strategies in Indonesia’s retail and trade sector amid the economic slowdown in 2026. Indonesia’s economic growth declined to 4.2% in the first quarter of 2026 from 5.1% in the previous year, creating considerable pressure on business sustainability, particularly in the retail and trade sector. This research employed a quantitative approach using a survey method involving 120 retail and trade business owners located in Jakarta, West Java, and Banten. Respondents were selected through purposive sampling. Data were collected using a structured questionnaire that met validity and reliability requirements and were analyzed using multiple linear regression with SPSS version 26 after fulfilling the classical assumption tests. The results indicate that tax burden (B = 0.287; p < 0.001), tax compliance (B = 0.341; p < 0.001), and tax-saving strategies (B = 0.398; p < 0.001) each have a positive and significant effect on business survival strategies, both individually and simultaneously. The F-test (F = 62.847; p < 0.001) confirms the overall significance of the regression model, while the coefficient of determination (R² = 0.621) shows that the three independent variables explain 62.1% of the variance in business survival strategies. These findings suggest that effective tax management, combined with the lawful utilization of tax incentives, plays a crucial role in strengthening business resilience and ensuring the sustainability of retail and trade businesses during periods of economic uncertainty.

Nuri Alfitriyani; Nirwana Anas

Bhinneka: Jurnal Bintang Pendidikan dan Bahasa 2026 Universitas Palan

The purpose of this study was to focus on the development and feasibility testing of the Ekorama Pop-Up Book as a learning medium, as well as to assess its practicality and effectiveness in helping fifth-grade elementary school students master science concepts related to food chains. Research and Development (R&D) using the ADDIE model—which begins with analysis and ends with evaluation—will be applied in this study. The participants include media and content experts, teachers, and 19 fifth-grade students at MIN 8 in Medan. Data were collected using response questionnaires, concept comprehension tests, and validation sheets. The results of the expert validation indicated that the category was highly valid, highly practical (96.7%), and highly effective (N-Gain = 0.87), as evidenced by the test results showing an increase in students’ understanding. In other words, the Ekorama Pop-Up Book was deemed suitable as a science learning medium for improving conceptual understanding among elementary school students.

Mukhlis Purnama Hadi

JURNAL MANAJEMEN DAN BISNIS EKONOMI 2026 Institut Teknologi dan Bisnis (ITB) Semarang

Banks' Relationship Manager (RM) rotation policies conceal a retention risk: premium customers loyal to individual RMs may migrate following replacement triggered by relational disruption, not service failure. This conceptual study builds a theoretical framework explaining Emerging HNWI customer migration intention following RM turnover, integrating three antecedents adapted from the Service Provider Switching Model (SPSM): Relational Embeddedness (RE) as a mooring factor, Relational Trust toward the former RM (RT) as a paradoxical push factor through the Relational Loss Effect mechanism, and Community-Validated Trust (CVT) as the primary migration inhibitor. CVT is conceptualized as trust formed prior to direct interaction through personal communal validation distinct from reputation trust, social trust, swift trust, and social proof. Three boundary conditions of CVT are explicitly identified for testability and cross-context comparison. Primary contributions: (1) CVT as a SPSM extension for relational disruption contexts; (2) Relational Loss Effect bridging trust theory and paradoxical migration behavior.

Saerdilla Nawafela; Indi Musfirotul Untsa; Salsa Eka Indriyani; Muhammad Faris Ananta R; Finna Fakhriyah +1 more

Jurnal Nakula : Pusat Ilmu Pendidikan, Bahasa dan Ilmu Sosial 2026 Asosiasi Riset Ilmu Pendidikan Indonesia

Differentiated instruction is an approach aimed at meeting students' learning needs based on their abilities, characteristics, and requirements. This study aims to describe the experiences of a fifth-grade teacher in implementing differentiated instruction at SD 3 Jepang Kudus. The study employs a qualitative approach using a phenomenological design. Data were collected through interviews, observations, and documentation, and subsequently analyzed using the Miles and Huberman model, which encompasses data reduction, data display, and conclusion drawing. Data validity was established through technique triangulation. The results indicate that the teacher perceives differentiated instruction as an effort to provide learning support tailored to students' needs. Implementation is carried out through adjustments to the learning process, guidance, peer tutoring, and the creation of an inclusive learning environment. This implementation has a positive impact on students' academic, social, and emotional development. Challenges encountered include the diversity of students' learning abilities and the suboptimal application of differentiation regarding learning products and assessments. These findings underscore the importance of teacher experience in optimally and sustainably accommodating students' learning needs.

Anggraini, Rini; Junaidi; Amanda, Meilani Rizki; Ketrin, Nabila Apriliya; Talia, Ela +1 more

Public Service And Governance Journal 2026 Universitas 17 Agustus 1945 Semarang

Pelanggaran jam operasional kendaraan bertonase besar di kawasan Simpang Patal Kota Palembang masih sering terjadi dan menyebabkan kemacetan, risiko kecelakaan, serta kerusakan jalan. Penelitian ini bertujuan menganalisis alternatif kebijakan yang paling tepat untuk penertiban mobil barang di kawasan tersebut. Penelitian menggunakan metode deskriptif kualitatif melalui observasi, wawancara, dokumentasi, dan studi literatur. Analisis data dilakukan menggunakan model Miles dan Huberman, sedangkan evaluasi kebijakan menggunakan pendekatan Multi-Criteria Decision Analysis (MCDA) berdasarkan kriteria William N. Dunn. Terdapat tiga alternatif kebijakan yang dianalisis, yaitu mempertahankan kebijakan yang berlaku (status quo), revisi Perwali Nomor 26 Tahun 2019 dan implementasi Electronic Traffic Law Enforcement (ETLE), serta penyediaan kantong parkir (holding area) di kawasan Pelabuhan Sungai Lais. Hasil penelitian menunjukkan bahwa alternatif penyediaan kantong parkir (holding area) memperoleh skor tertinggi sebesar 91 dengan rata-rata 4,55 sehingga dinilai paling optimal dalam mengurangi pelanggaran, kemacetan, dan risiko kecelakaan serta mendukung transportasi perkotaan yang lebih tertib dan berkelanjutan.

Yulius, Argy Berliani; Widiyatmoko, Faris

Public Service And Governance Journal 2026 Universitas 17 Agustus 1945 Semarang

Pelayanan perizinan merupakan salah satu aspek penting dalam penyelenggaraan pelayanan publik. Kota Batam memiliki dualisme kewenangan antara Pemerintah Kota Batam dan Badan Pengusahaan (BP) Batam dalam penyelenggaraan pemerintahan dan pelayanan perizinan. Tujuan penelitian ini untuk menganalisis dinamika politik lokal dalam penyelenggaraan pelayanan perizinan di Kota Batam serta mengkaji dampak dualisme kewenangan terhadap efektivitas pelayanan publik pada tahun 2025. Penelitian menggunakan pendekatan kualitatif dengan jenis penelitian studi kasus. Data yang digunakan merupakan data sekunder yang diperoleh melalui studi dokumentasi. Analisis data dilakukan menggunakan model Miles dan Huberman yang meliputi reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa meskipun pemerintah telah melakukan penataan kewenangan melalui Peraturan Pemerintah Nomor 25 Tahun 2025 dan Peraturan Pemerintah Nomor 28 Tahun 2025, pelaksanaan pelayanan perizinan masih menghadapi tantangan berupa koordinasi antar lembaga, tumpang tindih kewenangan, dan belum optimalnya integrasi tata kelola antara Pemerintah Kota Batam dan BP Batam. Penelitian ini menyimpulkan bahwa penyelesaian dualisme kewenangan tidak cukup dilakukan melalui perubahan regulasi, tetapi memerlukan penguatan collaborative governance, pembagian kewenangan yang jelas, serta koordinasi kelembagaan yang lebih efektif guna meningkatkan kualitas pelayanan publik dan menciptakan kepastian hukum bagi masyarakat maupun investor.

Haryanto, Tiara Julianti; Titania, Rahma; Widiyatmoko, Faris

Public Service And Governance Journal 2026 Universitas 17 Agustus 1945 Semarang

Pelayanan publik merupakan salah satu indikator penting dalam menilai kualitas penyelenggaraan pemerintahan. Dalam upaya mewujudkan tata kelola pemerintahan yang baik (good governance), Pemerintah Provinsi DKI Jakarta mengembangkan Sistem Pelayanan Terpadu Satu Pintu (PTSP) sebagai inovasi pelayanan yang terintegrasi dan berbasis digital. Penelitian ini bertujuan untuk menganalisis penerapan prinsip-prinsip good governance yang meliputi transparansi, akuntabilitas, responsivitas, efektivitas dan efisiensi, serta partisipasi pada Sistem Pelayanan Terpadu Satu Pintu (PTSP) DKI Jakarta. Penelitian menggunakan pendekatan kualitatif deskriptif dengan metode studi pustaka (library research). Data diperoleh melalui penelusuran jurnal ilmiah, peraturan perundang-undangan, laporan kinerja instansi pemerintah, dokumen resmi DPMPTSP Provinsi DKI Jakarta, serta berbagai sumber literatur yang relevan. Analisis data dilakukan menggunakan model interaktif Miles dan Huberman yang meliputi reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa prinsip transparansi telah diterapkan melalui penyediaan berbagai kanal informasi dan pengaduan yang mudah diakses masyarakat. Prinsip akuntabilitas tercermin dari capaian kinerja organisasi yang seluruh indikatornya mencapai target dengan predikat sangat berhasil. Responsivitas diwujudkan melalui sistem pengelolaan pengaduan berbasis quick response. Efektivitas dan efisiensi terlihat dari tingginya indeks kepuasan masyarakat serta optimalisasi pelayanan berbasis digital. Sementara itu, prinsip partisipasi diwujudkan melalui pelibatan masyarakat dalam evaluasi pelayanan melalui Survei Kepuasan Masyarakat. Dengan demikian, penerapan prinsip-prinsip good governance pada PTSP DKI Jakarta secara umum telah berjalan dengan baik dan mendukung peningkatan kualitas pelayanan publik.

Sinaga, Jesita

Public Service And Governance Journal 2026 Universitas 17 Agustus 1945 Semarang

Penelitian ini dilatarbelakangi oleh tuntutan peningkatan kualitas pelayanan publik melalui transformasi digital pada bidang perizinan di Dinas Penanaman Modal dan Pelayanan Terpadu Satu Pintu (DPMPTSP) Kota Medan. Aplikasi SIPANDU dikembangkan sebagai inovasi pelayanan perizinan berbasis elektronik guna mewujudkan pelayanan yang efektif, efisien, transparan, dan akuntabel. Namun dalam pelaksanaannya masih ditemukan kendala teknis sistem, keterbatasan fitur pengaduan, serta belum meratanya kemampuan masyarakat dalam memanfaatkan layanan digital. Penelitian ini bertujuan untuk mengetahui dan menganalisis efektivitas aplikasi SIPANDU dalam meningkatkan layanan perizinan di DPMPTSP Kota Medan menggunakan metode penelitian kualitatif deskriptif. Data dikumpulkan melalui observasi, wawancara semi terstruktur, dan dokumentasi dengan melibatkan 13 informan yang terdiri dari pimpinan, pengelola sistem, dan masyarakat pengguna SIPANDU. Analisis data dilakukan menggunakan model interaktif Saldana yang meliputi reduksi data, penyajian data, serta penarikan kesimpulan dan verifikasi dengan bantuan perangkat lunak NVivo. Hasil penelitian menunjukkan bahwa aplikasi SIPANDU secara umum cukup efektif dalam meningkatkan layanan perizinan di DPMPTSP Kota Medan, terutama pada dimensi manfaat bersih, kepuasan pengguna, kualitas informasi, dan kualitas layanan, meskipun masih terdapat kelemahan pada dimensi kualitas sistem dan penggunaan, khususnya terkait kemudahan penggunaan, keandalan sistem, waktu respons, kelengkapan informasi, pemerataan penggunaan aplikasi, dan fitur pengaduan. Dengan demikian, SIPANDU telah memberikan kontribusi positif terhadap peningkatan pelayanan publik, namun masih memerlukan penyempurnaan teknis dan operasional agar pelayanan perizinan dapat berjalan lebih optimal. Kata Kunci: efektivitas, SIPANDU, pelayanan perizinan, DPMPTSP, pelayanan publik, e-government, sistem informasi

Nugroho, Zahra Mesvari; Linda Agustina Ningtyas; Mashur Hasan Bisri

Public Service And Governance Journal 2026 Universitas 17 Agustus 1945 Semarang

Program Makanan Bergizi Gratis (MBG) diperkenalkan pada 6 Januari 2025 melalui Peraturan Presiden No. 83 Tahun 2024, menjadi salah satu inisiatif sosial terbesar di Indonesia dengan dana sebesar Rp71 triliun dan memperkirakan 82,9 juta penerima manfaat. Pengelolaannya ditangani oleh Badan Gizi Nasional (BGN) melalui SPPG. Studi ini menganalisis pemanfaatan TikTok sebagai alat transparansi dalam manajemen SOP MBG untuk meningkatkan akuntabilitas publik dalam konteks hubungan keuangan antara pusat dan daerah melalui DAK Nonfisik. Penelitian ini menerapkan pendekatan kualitatif deskriptif, melibatkan analisis dokumen dan konten publik di TikTok. Sumber data terdiri dari dokumen resmi BGN, Juknis No. 401.1 Tahun 2026, laporan dari ICW dan CISDI, akun TikTok SPPG, serta penelitian akademik. Validitas ditentukan melalui triangulasi serta analisis perbandingan. Temuan penelitian menunjukkan bahwa TikTok SPPG berperan dalam tiga dimensi transparansi: verifikasi di tingkat pusat, pengawasan lokal, dan akuntabilitas publik di tingkat nasional. Namun, ada empat tantangan utama, yaitu kurangnya konsistensi konten di berbagai akun SPPG, ketimpangan digital di daerah 3T, ketiadaan mekanisme tindak lanjut resmi, dan potensi kriminalisasi partisipasi masyarakat. Penelitian ini merekomendasikan model optimalisasi yang mencakup standardisasi konten, perlindungan partisipasi masyarakat, serta integrasi dengan sistem pengawasan resmi untuk memperkuat transparansi dan akuntabilitas MBG dengan pendekatan digital.

Gusnafitri Gusnafitri

JURNAL MANAJEMEN DAN BISNIS EKONOMI 2026 Institut Teknologi dan Bisnis (ITB) Semarang

This study aims to analyze the effect of capital structure, asset growth, and firm size on firm value in plastic and packaging sub-sector companies listed on the Indonesia Stock Exchange during the 2020–2024 period. Firm value is proxied by Price to Book Value (PBV), capital structure is measured using the Debt to Equity Ratio (DER), asset growth is measured by the asset growth ratio, and firm size is measured using the natural logarithm of total assets. This research employed an explanatory quantitative approach using secondary data obtained from financial statements, annual reports, and stock price data. The sample consisted of 11 companies observed over five years, resulting in 55 panel data observations. Data were analyzed using panel data regression through the Common Effect Model, Fixed Effect Model, and Random Effect Model, with model selection based on the Chow, Hausman, and Lagrange Multiplier tests. The results indicate that capital structure, asset growth, and firm size have no significant effect on firm value, either partially or simultaneously. These findings suggest that firm value in the plastic and packaging sub-sector is not sufficiently explained by financing structure, asset expansion, or company size. Investors are more likely to consider other factors, such as profitability, operational efficiency, cash flow, sales growth, raw material risk, and sustainability prospects. Therefore, companies should improve financial performance, asset efficiency, cost control, and sustainable innovation to enhance firm value.

Widia Ningsih; Yeye Suhaety; Lilis Marlina

JURNAL RISET MANAJEMEN (JURMA) 2026 Institut Teknologi dan Bisnis (ITB) Semarang

This study examines the partial and simultaneous effects of promotional strategies, risk perception, and resale price perception on public interest in gold investment at PT Pegadaian Dompu Branch. The research employed a quantitative explanatory approach involving 96 respondents selected from a population of 50,000 customers using purposive sampling. Data were collected through a structured questionnaire based on a five-point Likert scale and analyzed using multiple linear regression with SPSS version 26. The findings reveal that promotional strategies have a positive and significant influence on public interest in gold investment, indicating that effective promotional activities encourage customers to invest. Risk perception also shows a positive and significant effect, suggesting that customers with better understanding and management of investment risks are more inclined to invest in gold. In addition, resale price perception positively and significantly affects investment interest, reflecting the importance of customers' confidence in obtaining favorable resale values. Simultaneous testing using the F-test confirms that the three independent variables jointly have a significant effect on public interest in gold investment. The coefficient of determination shows an Adjusted R Square value of 33.9%, meaning that promotional strategies, risk perception, and resale price perception explain 33.9% of the variation in investment interest, while the remaining 66.1% is influenced by other factors not included in this research model.

Aura Mumtaza Arief; Yermia Nugroho Agung Wibowo

Bhinneka: Jurnal Bintang Pendidikan dan Bahasa 2026 Universitas Palan

This study aims to describe the morphological forms of slang, explain the processes of its formation, and analyze its frequency and distribution in the TikTok content of the account @shadirafirdausi. The study is motivated by the rapid development of slang on social media, particularly TikTok, as a platform where young people express identity, creativity, and social interaction. A qualitative descriptive method was employed using documentation techniques on three TikTok videos, including captions and comments with the highest numbers of views and likes during June–August 2025. Data were analyzed using the interactive model of Miles and Huberman, consisting of data reduction, data display, and conclusion drawing. The findings identified 36 slang words and phrases classified into four morphological processes: phonological modification (30.6%), shortening (30.6%), affixation (25.0%), and compounding with foreign element adoption (13.9%). Phonological modification and shortening were the dominant processes, while affixation and English borrowings further enriched the language forms. These findings demonstrate that slang in @shadirafirdausi’s TikTok content is formed through creative, productive, and adaptive morphological processes that reflect the preference of young speakers for concise, expressive, and easily understood language in digital communication.

Farchatul Hudayah; Slamet Wiyono; Zaenul Arif

JURNAL PENELITIAN TEKNOLOGI INFORMASI DAN SAINS (JPTIS) 2026 Institut Teknologi dan Bisnis (ITB) Semarang

Advancements in information technology encourage MSMEs to utilize information systems to enhance the effectiveness of their business management. Es Teh Arjuna, an MSME in Tegal City, faces challenges in monitoring partner sales and managing revenue because transactions are recorded manually using disparate methods; this results in slow data recapitulation, a risk of recording errors, and difficulty for the business owner in quickly accessing sales information. This study aims to analyze requirements, design, develop, and test a web-based information system for partner sales and revenue that provides information in  real-time. The Waterfall model was used for system development, while data collection involved observation, interviews, and a literature review. The system was developed using PHP and MySQL and tested via Black Box Testing. The results demonstrate that the system successfully integrates sales data from all outlets into a centralized database, streamlining the management of products, outlets, employees, cashiers, and sales transactions, as well as facilitating the generation of revenue reports for specific periods. Furthermore, the system enables the business owner to monitor sales performance more quickly, accurately, and systematically, thereby supporting decision-making and improving the operational efficiency of Es Teh Arjuna.

Agus Fuadi; Vista Yulianti; Ahmad Bukhori Muslim

JURNAL RISET AKUNTANSI 2026 Institut Teknologi dan Bisnis (ITB) Semarang

Earnings management remains a major concern in the banking industry because it may reduce the credibility and reliability of financial reporting. At the same time, Corporate Social Responsibility (CSR) has increasingly been recognized as an important governance mechanism that enhances corporate transparency, accountability, and stakeholder trust. However, previous studies have reported inconsistent findings regarding the role of firm size in the relationship between CSR and earnings management. Therefore, this study aims to examine the effect of CSR on earnings management and investigate whether firm size acts as a mediating variable in Indonesian banking companies. This research employed a quantitative explanatory approach using panel data from 22 banking companies listed on the Indonesia Stock Exchange during the 2022–2024 period, resulting in 66 observations. Data were analyzed using panel data regression with the Fixed Effect Model and mediation analysis through the Sobel test using EViews 12. The findings indicate that CSR has a significant negative effect on earnings management and a significant positive effect on firm size. Furthermore, firm size partially mediates the relationship between CSR and earnings management, indicating that CSR reduces earnings management both directly and indirectly through organizational scale. These findings provide theoretical support for stakeholder and legitimacy theories and offer practical insights for managers and regulators in strengthening CSR implementation to improve financial reporting quality and corporate transparency.

Syifa Fajriyal Ulya; Salsabila Bilqis; Syailin Nichla Choirin Attalina

Jurnal Nakula : Pusat Ilmu Pendidikan, Bahasa dan Ilmu Sosial 2026 Asosiasi Riset Ilmu Pendidikan Indonesia

Good study habits are an important factor in achieving success in elementary school learning. However, based on observations in class 3 of SDN 1 Bugel, it was found that students still show less disciplined behavior during the learning process, especially during group activities, such as talking without permission, not paying attention, and not following classroom rules. This study aims to improve students' study discipline in grade 3 of SDN 1 Bugel by using the Star Rewards system within the cooperative learning model called Numbered Heads Together (NHT). This study uses the Classroom Action Research (PTK) approach with a two-cycle design following the Kemmis and McTaggart model. The research subject is 17 third-grade students from SDN 1 Bugel. Data collection was done through observation, questionnaires, documentation, field notes, and interviews. Data analysis was done using both quantitative and qualitative descriptive techniques. The research results show that using the Star Rewards system in cooperative learning type NHT has significantly improved students' discipline in studying. The average score on the discipline questionnaire increased from 69.5 in cycle I to 85.5 in cycle II, showing an increase of 16.03 points. The minimum score for students has gone up from 50 to 75, showing that all students have improved in terms of discipline. Giving positive reinforcement through stars has been proven to motivate students to be more disciplined, focused, and responsible during learning. This finding suggests that combining the NHT model with the Star Rewards system can be an effective strategy for helping build discipline in elementary school students.

Dian Rezki Wijaya; Syahrul Basri; M. Fais Satrianegara; Zulqadri Zulqadri; Ainun Nardiah

Jurnal Pengabdian Masyarakat Nian Tana 2026 Fakultas Ekonomi & Bisnis, Universitas Nusa Nipa

Open burning of household waste remains the dominant waste disposal practice in rural areas of Indonesia, posing significant risks to public health and environmental quality. This community service activity aimed to provide an innovative, low-smoke waste combustion solution — the rocket stove incinerator — to the residents of Dusun Allukeke, Desa Belapunranga, Kecamatan Parangloe, Kabupaten Gowa. A baseline survey conducted during PBL 1 revealed that 87.6% of households disposed of waste through open burning. An asset-based community development (ABCD) approach was adopted, engaging community members at every stage from planning, construction, to utilisation. The rocket stove was constructed over three days using locally available materials and was demonstrated to significantly reduce visible smoke emissions compared to conventional open burning. The technology works through a vertically insulated combustion chamber that promotes near-complete combustion, reducing waste volume by 50–90% while suppressing particulate matter and hydrocarbon emissions. Community participation strengthened local ownership of the solution. This activity demonstrates that appropriate technology co-constructed with communities can serve as a practical, sustainable, and replicable model for rural waste management.

Abdullah, Syarifudin; Ida Bagus Nyoman Pascima; I Nyoman Tri Anindia Putra

JURNAL ILMIAH KOMPUTER GRAFIS 2026 UNIVERSITAS STEKOM

This study compared the performance of SARIMA and Prophet models in forecasting daily close prices of three major Indonesian banking stocks: BBCA, BBRI, and BMRI, using data from January 2020 to March 2026. Data were retrieved via the yfinance library, preprocessed, and split into 80% training and 20% testing sets. SARIMA modeling followed the Box-Jenkins procedure, while Prophet was configured with a Lag-1 regressor, weekly and monthly seasonality, Indonesian public holidays, and log transformation. Model performance was evaluated using MAPE, MSE, and Dstat metrics. Results showed that SARIMA outperformed Prophet in MAPE and MSE across all six stock-variable combinations, with MAPE values ranging from 1.3368% to 1.9386% for SARIMA and 1.5992% to 2.2300% for Prophet. However, Prophet demonstrated marginally higher Dstat values in several series. Both models achieved "Very Good" forecasting accuracy. A web-based forecasting system was also developed using Streamlit to make the models accessible to investors.

Siti Muntari; Febriansyah, Febriansyah

JURNAL ILMIAH KOMPUTER GRAFIS 2026 UNIVERSITAS STEKOM

Early Marriage in Pagar Alam City is currently still quite high, the Pagar Alam Religious Court only relies on a recap of the number of cases per year to draw conclusions about the early marriage data. This method has limitations in classifying early marriage factors, so the Religious Court has difficulty in monitoring and controlling the occurrence of Early Marriage in Pagar Alam City. The purpose of this research thesis is to produce a classification system for Early Marriage factors using the K-Nearest Neighbor Algorithm to find out what factors influence the occurrence of Early Marriage, the method used in this study is the Cross Industry Standard Process for Data Mining (CRISP-DM) which has 6 stages, namely: Business Understanding, Data Understanding, Data Preparation, Modeling, Evaluation, and Deployment. The testing stage in this study uses Confusion Matrix and BlackBox Testing. The final results of this study indicate that the system can classify Early Marriage factors. The classification model built achieved an Accuracy of 94.12% and a Precise value of 85.71% and a Recall value of 100.00%, while testing using Black Box testing in the form of alpha obtained a feasibility value of 83.2%, so this system is very suitable for use.