NIKOLIĆ, Zlatko. Prevention of Violence in Schools Through System of Roles of a "School Policeman" – Dilemmas and Contradictions. Zbornik Instituta za kriminološka i sociološka istraživanja, Belgrade, Serbia, v. 29, n. 1–2, p. 229–240, 2010. Disponível em: https://zbornik-iksi.rs/index.php/home/article/view/140. Acesso em: 4 apr. 2026.