Olawale, J.O., S.A. Ibitoye, and M.D. Shittu. “Suitability Assessment Of Some Nigerian Natural Moulding Sand Deposits For Foundry Use”. Ife Journal of Technology 20, no. 2 (November 1, 2011): 46–50. Accessed October 11, 2025. http://ijt.oauife.edu.ng/index.php/ijt/article/view/91.