Idisape Inengite and Akpanaka Teddy Zipamone, “Effect of Flipped Classroom Instructional Model on Students’ Achievement in Biology among Secondary Schools in Bayelsa State”, Sch. J. Sc. Tech Res Dev, vol. 3, no. 5, pp. 1–12, Apr. 2024, Accessed: Sep. 07, 2024. [Online]. Available: https://www.openjournals.ijaar.org/index.php/sjstrd/article/view/538