ZELENIKA, Ratko; SEVER, Drago; ZEBEC, Sabina; PIRŠ, Bojan. Logistic Operator- Fundamental Factor in Rational Production of Services in Multimodal Transport. Promet - Traffic&Transportation, [S. l.], v. 17, n. 1, p. 43–53, 2005. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2102. Acesso em: 27 aug. 2025.