Macleo, Inyama, Chinyere Okafor, Okwutu Damilola, and Nwadike ogochukwu. “Effect of Flipped Classroom Instructional Strategy on Secondary School Student Achievement and Retention in Computer Studies”. GPH-International Journal of Educational Research 7, no. 12 (December 29, 2024): 59-76. Accessed September 11, 2025. https://www.gphjournal.org/index.php/er/article/view/1699.