E.O. Mezie and A.I. Nwajuaku. “Investigation into the Causes of Gully Erosion in Parts of Anambra State”. NIPES - Journal of Science and Technology Research 2, no. 1 (March 2, 2020). Accessed December 22, 2024. https://journals.nipes.org/index.php/njstr/article/view/92.