SINGHTAUN, C.; PIYAPORNTHANA, H. . A MATHEMATICAL MODEL AND SOLUTION APPROACH FOR A HETEROGENEOUS FLEET OPEN VEHICLE ROUTING PROBLEM. GEOMATE Journal, [S. l.], v. 22, n. 90, p. 17–23, 2022. Disponível em: https://geomatejournal.com/geomate/article/view/88. Acesso em: 8 may. 2024.