BOKOR, Zoltán. Improving Transport Costing by using Operation Modeling. Transport, [S. l.], v. 26, n. 2, p. 128–132, 2011. DOI: 10.3846/16484142.2011.586111. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/5579. Acesso em: 16 may. 2025.