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All Journal JES-MAT (Jurnal Edukasi dan Sains Matematika) Journal of Emerging Techologies in Ethnomathematics
Nafisyatul Azizah
Universitas Negeri Surabaya
Education Mathematics

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Design of Quadrilateral Teaching Materials Assisted by GeoGebra in the Context of the Joglo Mosque UNESA 5 Campus Sumarni Sumarni; Nafisyatul Azizah; Rahma Afinnisa Noviari; Ratu Mauladaniyati
Journal of Emerging Technologies in Ethnomathematics Vol. 2 No. 1 (2026): Journal of Emerging Technologies in Ethnomathematics
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jetie.v2i1.52486

Abstract

The integration of local culture and digital technology into mathematics learning has become an important strategy for creating meaningful learning experiences. However, learning materials about quadrilaterals are generally still abstract and rarely incorporate local cultural contexts supported by interactive technology. Therefore, this study aims to design learning materials for quadrilaterals by integrating the ethnomathematics context of the Joglo Al-Hasan Mosque at UNESA Campus 5, using the Realistic Mathematics Education (RME) approach, and GeoGebra as an interactive visualization tool. This study uses a Research and Development (R&D) approach that focuses on the design phase of the ADDIE model. The design process consists of needs analysis through a literature review, identification of quadrilateral concepts embedded in the mosque architecture, formulation of learning outcomes, preparation of learning activities, selection of learning methods and media, development of assessment instruments, and preparation of learning material designs. The resulting design integrates realistic learning scenarios, GeoGebra-assisted exploration activities, student worksheets, problem-solving tasks, and assessments aligned with the learning objectives. Learning activities are structured to facilitate students in building quadrilateral concepts through exploration, mathematical reasoning, discussion, and reflection based on meaningful real-life contexts. This study provides a theoretically grounded blueprint for developing culturally responsive and technology-enabled learning materials that support the implementation of contextual mathematics learning in the 21st century. Further research is recommended to continue the development, implementation, and evaluation stages to test the validity, practicality, and effectiveness of the proposed teaching materials.
Application of the Hungarian Method in Workforce Scheduling Optimization at the Magetan Dynamic Vegetable-Tanned Leather Sandal Industry Nafisyatul Azizah; Putri Amelia Hanifa; Revania Eka Putri Devitasari; Rizka Tri Wahyuni; Lisnani Lisnani; Sumarni Sumarni
JES-MAT: Jurnal Edukasi dan Sains Matematika Vol. 11 No. 2 (2025): Jurnal Edukasi dan Sains Matematika (JES-MAT)
Publisher : Program Studi Pendidikan Matematika Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/jes-mat.v11i2.52

Abstract

Task allocation at the Dinamis Magetan vegetable-tanned leather sandal industry is currently handled flexibly, based on workers' general availability rather than a systematic evaluation of individual processing-time efficiency, creating a risk of inconsistent completion times across its five sequential production stages. Although the Hungarian Method has been widely applied to optimize labor assignment across various Indonesian MSME sectors, its application to traditional craft industries with a flexible, multi-skilled workforce — such as vegetable-tanned leather sandal production, where workers are trained to master every stage ("pinter kabeh") rather than remain fixed to one station — remains largely unexamined. This study addresses that gap through a descriptive quantitative case study involving five workers, selected via stratified random sampling to represent five main production units: Design and Pattern, Upper Production, Insole Production, Assembly, and Finishing. Processing-time data were collected through observation, interviews, and documentation, analyzed manually using the Hungarian Method, and verified using the POM-QM application for Windows. The results show that the optimal assignment places Worker 1 in Design and Pattern, Worker 2 in Upper Production, Worker 3 in Insole Production, Worker 4 in Assembly, and Worker 5 in Finishing, yielding a minimum total processing time of 73 minutes per production cycle — a result consistent between manual and software calculations, and closely matching the factory's actual reported daily output. These findings indicate that, for this case, the Hungarian Method can be applied accurately and consistently to obtain an optimal assignment solution, offering craft-based MSMEs a low-cost, evidence-based reference point for workforce allocation decisions that can be adopted alongside their existing flexible rotation systems.
Co-Authors Lisnani Lisnani Putri Amelia Hanifa Rahma Afinnisa Noviari Ratu Mauladaniyati Revania Eka Putri Devitasari Rizka Tri Wahyuni Sumarni