“Design of a Mobile Application for Real-Time Flood Information in North Aceh Region Based on GIS and Haversine Method”. Journal of Innovation and Technology Polbeng Series on Informatics (INOVTEK Polbeng - Seri Informatika) 10, no. 2 (May 23, 2025): 806–815. Accessed August 24, 2026. https://jurnal.polbeng.ac.id/index.php/ISI/article/view/542.