Shehu, J., H. I. Bello, U. D. Alhassan, and A. Alkali. “ASSESSMENT OF SUBSURFACE PROPERTIES FOR PRE-FOUNDATON INVESTIGATION AT NIGERIA UNION OF TEACHERS HOUSING ESTATE SITE, PAGGO, MINNA, NIGERIA”. FUDMA JOURNAL OF SCIENCES, vol. 2, no. 4, Mar. 2023, pp. 39 -49, https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1316.