1.
Umoh AA, Olusola KO. Compressive Strength and Static Modulus of Elasticity of Periwinkle Shell Ash Blended Cement Concrete. ijscet. 2012;3(2):45-55. Accessed May 3, 2024. https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/441