IRAWAN, Chandra A.; SOEMADI, Kusmaningrum. The capacitated single-source p-center problem in the presence of fixed cost and multilevel capacities using VNS and aggregation technique. Yugoslav Journal of Operations Research, [S. l.], v. 28, n. 4, p. 453–473, 2018. DOI: 10.2298/YJOR170110021I. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/550. Acesso em: 19 oct. 2025.