DUTTA, D. Efficacy of Existential Psychotherapy Among Substance Abusers. International Journal of Social Sciences and Humanities Invention, [S. l.], v. 1, n. 5, 2014. Disponível em: https://valleyinternational.net/index.php/theijsshi/article/view/29. Acesso em: 9 jan. 2025.