“Exploration Of Piliostigma Thonningii (Schum.) A Tropical Tree For Possible Utilization As A Plant-Derived Pesticide”. Academic Journal of Interdisciplinary Studies 3, no. 7 (December 12, 2014): 108. Accessed April 4, 2025. https://www.richtmann.org/journal/index.php/ajis/article/view/5332.