BRAČIĆ, Matija. WINGS Project – Regional Education Centre for Specialised Training at Airports. Promet - Traffic&Transportation, [S. l.], v. 27, n. 1, p. 111, 2015. DOI: 10.7307/ptt.v27i1.1772. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2517. Acesso em: 26 aug. 2025.