Ma, X. (2001) “Stability of Socio-economic Gaps in Mathematics and Science Achievement Among Canadian Schools”, Canadian Journal of Education/Revue canadienne de l’éducation, 26(1), pp. 97–118. Available at: https://journals.sfu.ca/cje/index.php/cje-rce/article/view/2796 (Accessed: 4 May 2024).