ALTMAN, Harold A.; CONKLIN, Rodney C.; HUGHES, Ronald C. Group Counselling of Underachievers. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 6, n. 2, 1972. Disponível em: https://cjc-rcc.ucalgary.ca/article/view/60847. Acesso em: 6 dec. 2025.