PAŠAGIĆ, Husein; ŠTIMAC, Antun; RAKULJ, Jelena. Integrated Quality Management System in Public Urban Traffic. Promet - Traffic&Transportation, [S. l.], v. 17, n. 5, p. 261–267, 2005. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2127. Acesso em: 27 aug. 2025.