Yong, L. K., P. L. Law, S. N. L. Taib, D. Y. S. Mah, and A. H. Johari. “Refinement of Topographical Factor For Estimating Soil Loss and Sediment Yield in Equatorial Regions”. Journal of Civil Engineering, Science and Technology 9, no. 2 (October 3, 2018): Paper 4. Accessed April 26, 2024. https://publisher.unimas.my/ojs/index.php/JCEST/article/view/990.