Oseke, I. F., and F. P. Dangiwa. “OPTIMAL CEMENT REPLACEMENT LEVELS IN CONCRETE USING GROUND GRANULATED BLAST FURNACE-SLAG FOR WORKABILITY AND STRENGTH DEVELOPMENT.”. Open Journal of Engineering Science (ISSN: 2734-2115) 6, no. 1 (April 16, 2025): 1-14. Accessed April 28, 2025. https://www.openjournalsnigeria.org.ng/journals/index.php/ojes/article/view/786.