DEMIRAL, Mehmet Fatih; ŞEN, Halil. Integer Programming Model for Two-Centered Double Traveling Salesman Problem. European Journal of Economics and Business Studies, [S. l.], v. 2, n. 2, p. 80–86, 2016. DOI: 10.26417/ejes.v5i1.p80-86. Disponível em: https://revistia.com/index.php/ejes/article/view/2591. Acesso em: 5 nov. 2025.