Okwelle, A. A. and Wali, G. I. (2011) “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) , 2(3), pp. 133–139. Available at: http://icidr.org.ng/index.php/Jres/article/view/1248 (Accessed: 19 September 2024).