“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), vol. 10, no. 2, May 2025, pp. 806-15, https://doi.org/10.35314/kwqt3q67.