Omundi, L.O., S.G. Yadima, and B.O. Sanyaolu. 2003. “The Effect of Varied Mix Proportion and Water-Cement Ratio on the Compressive Strength of Medium Grade Concretepoduced from Bama Gravel”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT 3 (October), 44-48. https://azojete.com.ng/index.php/azojete/article/view/312.