Uboh, Daniel Effiong, Sabbath Etim Udofia, Andrew Umo Abasi, and Victor Ekerete Harrison. 2026. “Instructional Materials, Students’ Achievement and Retention in Physics in Abak Local Government Area, Akwa Ibom State, Nigeria”. Journal of Research in Education and Society (JRES) 17 (1):1-11. https://icidr.org.ng/index.php/Jres/article/view/1847.