Atolagbe, Adedapo, A. S. Omosidi, O. R. Oparinde, & H. A. Umaru. " School Plant Organization, Instructional Efficiency and Academic Performance of Senior Secondary School Students In Osun State, Nigeria.." NIU Journal of Humanities [Online], 2.1 (2017): 323-330. Web. 4 Aug. 2026