Kefas, Patrick K., et al. “Pedogenesis in the Basement Complex Lithologies of Northeastern Nigeria As Defined by Its Inherent Morpho-Physical and Chemical Properties”.
Journal Of Agriculture, Forestry & Environment , vol. 5, no. 1, Mar. 2025, pp. 20-36,
https://jafe.net.ng/index.php/home/article/view/54.