Adewumi, Gabriel Segun, Adejoke Arinlade Akanbi, and Kamilu Olanrewaju Muraina. “Effect of Two Instructional Strategies on Students’ Achievement in Selected Abstract Concepts in Biology”. Indonesian Journal of Teaching in Science 5, no. 1 (March 1, 2025): 31–40. Accessed September 16, 2026. https://ejournal-dppm.upi.edu/ijotis/article/view/865.