N. A. S. . Nordin, Z. Hassan, N. . Mohamed Noor, A. N. . Kamarudzaman, and A. S. . Ag Ahmadni, “Catchment Delineation and LULC Classification of the Upper Catchment of the Timah-Tasoh Reservoir Using DEM and GIS”, IJIE, vol. 17, no. 3, pp. 157–164, Sep. 2025, Accessed: Jul. 23, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/16332