Nwankwo, L. (2016) “Estimation of Depth to Magnetic Sources Using Gradient Inversion Method: A Case of Aeromagnetic Field of Binji, North-Western Nigeria”, Al-Hikmah Journal of Pure and Applied Sciences (AJPAS), 3(1), pp. 6–14. Available at: https://alhikmahuniversity.edu.ng/AJPAS/index.php/journal/article/view/147 (Accessed: 4 July 2026).