HE, Pengfei; LI, Jing. Vehicle routing problem with partly simultane-ous pickup and delivery for the cluster of small and medium enterprises. Archives of Transport, Warsaw, Poland, v. 45, n. 1, p. 35–42, 2018. DOI: 10.5604/01.3001.0012.0940. Disponível em: https://archivesoftransport.com/index.php/aot/article/view/419.. Acesso em: 3 jul. 2024.