, H. T. H. M. Mixed Integer Programming Model for open Vehicle Routing Problem with Fleet and driver Scheduling Considering Delivery and Pick-Up Simultaneously. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 3, n. 9, p. 5508–5513, 2015. DOI: 10.17762/ijritcc.v3i9.4871. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/4871. Acesso em: 11 sep. 2025.