ODUNFAS O, ODELADE HO. INVESTIGATION OF SOFTWOOD ASH,HARD WOOD ASH AND RICE HUSK ASH AS A PARTIAL REPLACEMENT OF ORDINARY PORTLAND CEMENT IN CONCRETE. laujet [Internet]. 2016Aug.2 [cited 2025Apr.3];10(2):99-105. Available from: https://laujet.com/index.php/laujet/article/view/48