ROBERT R. MICHAELS-JOHNSON; JOHN R. SLATE. Differences in Student Participation and Performance in Advanced Coursework as a Function of Economic Status. Global Journal of Human-Social Science, [S. l.], v. 17, n. C4, p. 9–15, 2017. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/2408. Acesso em: 5 may. 2024.