« AN INVESTIGATION INTO SOCIAL STUDIES STUDENTS’ PERFORMANCE AND RETENTION USING BLENDED LEARNING IN UPPER BASIC EDUCATION LEVEL SCHOOLS IN DELTA STATE », JGCS, vol. 7, nᵒ 1, p. 141–156, nov. 2023, Consulté le: 3 août 2026. [En ligne]. Disponible sur: https://journals.unizik.edu.ng/jgcs/article/view/2806