Catterall, Calvin D. and Gazda, George M. (1978).Strategies for Helping Students. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 13, n. 4, 2012. Disponível em: https://jmss.org/index.php/rcc/article/view/60276. Acesso em: 23 oct. 2026.