GLAD, Matija; LANOVIĆ, Zdenko; PAŠAGIĆ, Jasmina. Model for Determining Fixed Costs for the Winter Service Operation. Promet - Traffic&Transportation, [S. l.], v. 18, n. 4, p. 285–291, 2006. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2182. Acesso em: 27 aug. 2025.