Muhammad Ridha, Haji, and Mahmud Mahmud. “Spatial Analysis of Drought-Prone Locations Using Geographic Information Systems (GIS) in Hulu Sungai Utara Regency”. Indonesian Journal of Innovation and Applied Sciences (IJIAS) 6, no. 1 (February 27, 2026). Accessed March 13, 2026. https://ojs.literacyinstitute.org/index.php/ijias/article/view/2638.