SOHN, H.; BRICKER, D. Utilizing the Surrogate Dual Bound in Capacity Planning with Economies of Scale. Algorithmic Operations Research, [S. l.], v. 3, n. 1, 2008. Disponível em: https://journals.lib.unb.ca/index.php/AOR/article/view/2313. Acesso em: 3 dec. 2022.