Avwunudiogba, Augustine, and Paul Franklin Hudson. “A Review of Soil Erosion Models With Special Reference to the Needs of Humid Tropical Mountainous Environments”. European Journal of Sustainable Development 3, no. 4 (October 22, 2014): 299. Accessed April 20, 2024. http://ecsdev.org/ojs/index.php/ejsd/article/view/200.