Baba, S., B. Shettima, and H.I. Kamale. “Geological Setting and Solid Mineral Potentials of Southern Borno, Northeastern Nigeria”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 16, no. 2 (June 1, 2020): 351-362. Accessed October 26, 2020. https://azojete.com.ng/index.php/azojete/article/view/222.