Kenneth Miebaka Oba, and Ichebadu George Amadi. “A Predictive Mathematical Model for Water Absorption of Sawdust Ash - Sand Concrete”. International Journal of Engineering and Management Research 10, no. 1 (February 29, 2020): 33–41. Accessed March 17, 2026. https://ijemr.vandanapublications.com/index.php/j/article/view/291.