ABDULWAHID, Umma. Relationship between Self Concept and Academic Achievement among Secondary School Students in Zaria Education Zone, Kaduna State, Nigeria. Journal of Research in Education and Society (JRES) , [S. l.], v. 4, n. 3, p. 86–92, 2013. Disponível em: http://icidr.org.ng/index.php/Jres/article/view/1354. Acesso em: 19 sep. 2024.