Godwin, J., and D. E. Kwaghchimin. “Effect of Sand Addition on the Geotechnical Properties of Clay”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 22, no. 1 (March 3, 2026): 177-186. Accessed March 17, 2026. https://azojete.com.ng/index.php/azojete/article/view/1240.