GIRÓN G, Miguel F.; LÓPEZ B, Johnny R.; SORNOZA B, Kleber J. Solution to the transportation problem practical application. Ecuadorian Science Journal, [S. l.], v. 5, n. 4, p. 61–73, 2021. DOI: 10.46480/esj.5.4.170. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/170.. Acesso em: 20 sep. 2025.