ROUTE FIRST-CLUSTER SECOND METHOD FOR PERSONAL SERVICE ROUTING PROBLEM. Journal of Engineering Studies and Research, [S. l.], v. 25, n. 2, p. 18–24, 2019. DOI: 10.29081/jesr.v25i2.31. Disponível em: https://jesr.ub.ro/journal/article/view/31. Acesso em: 13 sep. 2025.