ODUNFAS, O., and H. ODELADE. “INVESTIGATION OF SOFTWOOD ASH,HARD WOOD ASH AND RICE HUSK ASH AS A PARTIAL REPLACEMENT OF ORDINARY PORTLAND CEMENT IN CONCRETE”. LAUTECH Journal of Engineering and Technology 10, no. 2 (August 2, 2016): 99-105. Accessed November 22, 2024. https://laujet.com/index.php/laujet/article/view/48.