JOHNSTON, Tina L. Pushing For Privileged Passage: A grounded theory of guardians to middle mathematics students. Grounded Theory Review, [S. l.], v. 7, n. 01, p. 43–60, 2008. Disponível em: https://groundedtheoryreview.org/index.php/gtr/article/view/367. Acesso em: 3 apr. 2026.