OH, Y. Factors Affecting Mathematics Achievement Gaps in Korea. Journal of Mathematics Education at Teachers College, [S. l.], v. 3, n. 2, 2013. DOI: 10.7916/jmetc.v3i2.744. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/744. Acesso em: 2 may. 2024.