Ajogbeje, O. J. “Junior Secondary Schools Students’ Achievement In Mathematical Problem-Solving And Intellectual Abilities In Ondo State, Nigeria”. Journal of Research in Education and Society (JRES) 3, no. 1 (April 1, 2012): 137–141. Accessed September 19, 2024. http://icidr.org.ng/index.php/Jres/article/view/1267.