Effect of Self-efficacy, Marital Status, Duration of use on the Addiction Severity among Heroin Users. Indian Journal of Clinical Psychology, [S. l.], v. 50, n. 2, 2024. Disponível em: https://www.ojs.ijcp.co.in/index.php/ijcp/article/view/486.. Acesso em: 9 may. 2025.