Tiffany, Donald Cowan and Tiffany, Phyllis. (1970). The Unemployed: A Social-Psychological Portrait. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 5, n. 4, 2012. Disponível em: https://jmss.org/index.php/rcc/article/view/60781. Acesso em: 26 oct. 2026.