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p-Index From 2021 - 2026
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All Journal Jurnal Applied Science in Civil Engineering Mathematics and Applications (MAp) Journal
Putri Fauziahtul Asri
Universitas Negeri Padang
Civil Engineering, Building, Construction & Architecture Education Mathematics

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SARIMA MODELING FOR RAILWAY FREIGHT TRANSPORTATION FORECASTING ON SUMATRA Putri Fauziahtul Asri; Mutia Yollanda; Windry Novalia Jufri; Jonni Mardizal
MAp (Mathematics and Applications) Journal Vol 8, No 1 (2026)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/map.v8i1.13774

Abstract

This study develops a time series model to forecast railway freight volume in Sumatra using monthly data from January 2013 to June 2025. A seasonal autoregressive integrated moving average (SARIMA) model with a drift component captures both trend and seasonal patterns in the data. Model selection is based on the Akaike Information Criterion (AIC) and Bayesian Information Criterion (BIC). The results show that the SARIMA(0,1,2)(1,0,0)[12] with drift provides the best performance, yielding a log-likelihood value of 158.93 and a mean absolute percentage error (MAPE) of 0.76%. These findings indicate that the model can accurately represent freight dynamics in Sumatra and may serve as a quantitative reference for regional rail freight planning and infrastructure development.
PENERAPAN GAME BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN NUMERASI SISWA SEKOLAH DASAR Putri Fauziahtul Asri; Windry Novalia Jufri; Nidal Zuwida
Jurnal Applied Science in Civil Engineering Vol. 6 No. 4 (2025): Jurnal Applied Science in Civil Engineering
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/asce.v6i4.138083

Abstract

Numeracy skills are essential for developing critical thinking and problem-solving abilities. However, the 2023 National Assessment results show that students at SDN 20 Sinapa Piliang, Solok City, achieved only moderate numeracy scores (58.75%), below the national average. To address this, lecturers and students from Universitas Negeri Padang conducted a community service program in August 2025, training elementary school teachers to apply Game-Based Learning (GBL). The program included socialization of GBL concepts, training to create numeracy game media, classroom simulations, and evaluation. Teachers were introduced to number-operation cards, traditional games, and the Kahoot digital platform as interactive teaching tools. The program improved teachers’ understanding of GBL principles and their ability to adapt games in their teaching. Teachers also showed strong enthusiasm to apply the methods, suggesting digital game development and implementing them in class. This program is expected to support the improvement of students’ numeracy skills through more engaging and innovative learning practices.
Co-Authors Jonni Mardizal Mutia Yollanda Nidal Zuwida Windry Novalia Jufri