GUPTA, Kavita; ARORA, S.R. An algorithm for solving a capacitated indefinite quadratic transportation problem with enhanced flow. Yugoslav Journal of Operations Research, [S. l.], v. 24, n. 2, p. 217–236, 2014. DOI: 10.2298/YJOR120823043G. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/392. Acesso em: 26 aug. 2025.