Frustration degree and guilt among drug addicts harmful to themselves. Journal Of Educational and Psychological Researches, [S. l.], v. 14, n. 52, p. 79–111, 2017. Disponível em: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/276. Acesso em: 6 may. 2025.