ALHASSAN, A. ., B. . YUSUF IDI, M. M. . NASIR, N. . USMAN, A. . HUSSAINI, N. . BALA, A. . IBRAHIM, N. YAKUBU, and I. AYUBA. “DETECTION OF LITHOLOGICAL BOUNDARIES USING SECOND ORDER VERTICAL DERIVATIVES OF AEROGRAVITY DATA; A CASE OF HADEJIA SEGMENT OF THE CHAD BASIN, JIGAWA STATE NIGERIA”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 5, no. 02, Dec. 2021, pp. 111-8, https://journals.gjbeacademia.com/index.php/bimajst/article/view/298.