Sawada , D., Olson , A. T., & Sigurdson , S. E. (1981). Sex Differences in Mathematics Learning in a Canadian Setting. Canadian Journal of Education Revue Canadienne De l’éducation, 6(2), 5–19. Retrieved from https://cje.journals.publicknowledgeproject.org/index.php/cje-rce/article/view/8096