NEVISON, Myrne B. Psycho-social Problems and Causes: Indexes of change. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 18, n. 2, 2011. Disponível em: https://cdm.ucalgary.ca/index.php/rcc/article/view/59813. Acesso em: 4 jan. 2026.