يوسف بهنام ش. Measuring Ego-Strength for a Sample of Tattooed persons inMosul City. College of Basic Education Research Journal, [S. l.], v. 9, n. 3, p. 180–203, 2010. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38530. Acesso em: 26 oct. 2025.