HASHEMI, S. F.; KHORSANDI, H. Two-stage network structure with undesirable outputs approach. International journal of health sciences, [S. l.], v. 6, n. S7, p. 1499–1518, 2022. DOI: 10.53730/ijhs.v6nS7.11557. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/11557. Acesso em: 19 jun. 2026.