OKWELLE, A. A.; WALI, G. I. Psychological Factors Influencing Students Performance In Integrated Science Of Junior School Certificate Examination In Rivers State, Nigeria. Journal of Research in Education and Society (JRES) , [S. l.], v. 2, n. 3, p. 133–139, 2011. Disponível em: http://icidr.org.ng/index.php/Jres/article/view/1248. Acesso em: 19 sep. 2024.