Oparinde, Olayiwola Raheef. “Appraisal of Internally Generated Revenue and School Plant Development in Osun State Public Secondary Schools”. African Journal of Educational Management 25, no. 2 (December 24, 2024): 450–470. Accessed March 22, 2026. https://journals.ibadanedu.com/index.php/ajem/article/view/1507.