PAP, Gyula; VARNYÚ, József. Synchronized Traveling Salesman Problem. Journal of Graph Algorithms and Applications, [S. l.], v. 25, n. 1, p. 437–459, 2021. DOI: 10.7155/jgaa.00566. Disponível em: https://jgaa.info/index.php/jgaa/article/view/paper566. Acesso em: 30 jun. 2024.