Inyang, I. F., & Isaac, E. O. (2023). Effects of Problem-Solving and Demonstration Methods on Students’ Performance in Biology in Nsit-Atai Local Government Area, Akwa Ibom State, Nigeria. Journal of Research in Education and Society (JRES) , 14(1), 4–10. Retrieved from http://icidr.org.ng/index.php/Jres/article/view/1533