Usabor, E. E. “Assessment of Cost Indicators in Akwa Ibom State Basic Education System (2009-2015), Nigeria”. Journal of Research in Education and Society (JRES) 8, no. 2 (April 30, 2017): 12–17. Accessed February 5, 2025. http://icidr.org.ng/index.php/Jres/article/view/1453.