Chukwu, O., J.H. Dau, and J.U. Ezenwenyi. “Crown-Stump Diameter Model for Parkia Biglobosa Benth. Species in Makurdi, Benue State, Nigeria”. Journal of Tropical Forestry and Environment 7, no. 1 (July 30, 2017). Accessed April 26, 2024. https://journals.sjp.ac.lk/index.php/JTFE/article/view/3021.