Ibrahim, A. G., O. D. Oyedum, O. A. Abisoye, M. N. Usman, and J. I. Ughanze. “ NIGERIA USING ARTIFICIAL NEURAL NETWORK”. Nigerian Journal of Physics, vol. 31, no. 2, Dec. 2022, pp. 151-9, https://njp.nipngr.org/index.php/njp/article/view/70.