GUTTMANN-BECK, Nili; KNAAN, Eyal; STERN, Michal. Approximation Algorithms for Not Necessarily Disjoint Clustered TSP. Journal of Graph Algorithms and Applications, [S. l.], v. 22, n. 4, p. 555–575, 2018. DOI: 10.7155/jgaa.00478. Disponível em: http://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper478. Acesso em: 6 jul. 2024.