XIAOYI, Nie. OPTIMAL MATHEMATICAL MODEL OF DELIVERY ROUTING AND PROCESSING TIME OF LOGISTICS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 787–796, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6753. Acesso em: 16 sep. 2026.