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, Vol. 9, no. 2, Oct. 2018, p. Paper 4, doi:10.33736/jcest.990.2018.