[1]
MAJEMITE, H., DANIA, P.O. and OGHENEAKOKE, E.C. 2024. Effects of Group-Based Mastery Instructional Strategy on Academic Performance of Social Studies students in Delta State Upper Basic Schools. GPH-International Journal of Educational Research. 7, 08 (Sep. 2024), 102-113. DOI:https://doi.org/10.5281/zenodo.13856046.