Isa AI, Bukar M. Effect of Flipped Classroom Approach on Chemistry Students’ Academic Achievement and Retention in Colleges of Education, Yobe State, Nigeria. MIMJRI [Internet]. 2023 Dec. 14 [cited 2025 Jan. 29];1(1). Available from: https://iaherijournal.maaun.edu.ng/index.php/ijs/article/view/16