HYMMEN, P. Science Research Associates (1970). <i>Focus on Self Development Kit: Stage One: Awareness</i>. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 6, n. 2, 1972. Disponível em: https://cjc-rcc.ucalgary.ca/article/view/60855. Acesso em: 4 may. 2024.