Oseke, I. F., and F. P. Dangiwa. 2025. “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 (1):1-14. https://doi.org/10.52417/ojes.v6i1.786.