SAWATZKY, D. Donald; ECKERT, Corinne; RYAN, Bruce R. The Use of Family Systems Approaches By School Counsellors. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 27, n. 2, 1993. Disponível em: https://jhistsex.org/index.php/rcc/article/view/58926. Acesso em: 27 dec. 2025.