HAHSLER, M.; HORNIK, K. TSP—Infrastructure for the Traveling Salesperson Problem. Journal of Statistical Software, [S. l.], v. 23, n. 2, p. 1–21, 2007. DOI: 10.18637/jss.v023.i02. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v023i02. Acesso em: 20 apr. 2024.