DELE-ROTIMI, A. O.; OYINLANA, O. P. Effect of Professionally Qualified Teachers on Academic Performance of Junior Secondary School Students in Mathematics: A Case Study of Ikere Local Government Area of Ekiti State. Journal of Research in Education and Society (JRES) , [S. l.], v. 5, n. 1, p. 60–64, 2014. Disponível em: http://icidr.org.ng/index.php/Jres/article/view/1378. Acesso em: 20 sep. 2024.