Okoiye, O. E. 2011. “Measured Influence Of Gender And Psychological Factors On The Academic Self-Concept Of Senior Secondary School Students In Ibadan, Oyo State, Nigeria”. Journal of Sociology, Psychology and Anthropology in Practice (JSPAP) 3 (2):32-41. http://icidr.org.ng/index.php/Jspap/article/view/1594.