Igba, Igba Daniel, and Patrick I. Nwafor. “Effects of Jigsaw Co-Operative Instructional Strategy on Senior Secondary Students’ Achievement in Civic Education”. The International Journal of Humanities & Social Studies 4, no. 6 (June 30, 2016). Accessed July 23, 2024. https://internationaljournalcorner.com/index.php/theijhss/article/view/126771.