Joy C. Chukwu, and J. W. Dike. “Effects of Jigsaw-Puzzle and Graphic Organizer Instructional Strategies on Biology Students’ Performance in Abia State”. Archives of Current Research International 18, no. 3 (September 5, 2019): 1–6. Accessed October 15, 2025. https://www.journalacri.com/index.php/ACRI/article/view/346.