Suhadi, Supari, Iskhaq Iskandar, Muhammad Irfan, and Hamdi Akhsan. “Drought Assessment in Aceh and North Sumatra Using Effective Drought Index”. Science and Technology Indonesia 8, no. 2 (April 15, 2023): 259–264. Accessed July 21, 2026. https://www.sciencetechindonesia.com/index.php/jsti/article/view/666.