Sakke, Nordin, Hamirdin Ithnin, Azali Saudi, and Mohammad Tahir Mapa. “Keparahan Kemarau Hidrologi Di Lembangan Sungai Lui, Hulu Langat Selangor: Severity of Hydrological Drought in the Lui River Basin, Hulu Langat, Selangor”. GEOGRAFI 4, no. 1 (April 7, 2016): 11–24. Accessed June 13, 2024. https://ojs.upsi.edu.my/index.php/GEOG/article/view/1907.