MONZELI, Abbasali; DANESHIAN, Behrouz; TOHIDI, Ghasem; SANEI, Masoud; RAZAVYAN, Shabnam. Evaluating the Efficiency of Hospital Emergencies during COVID-19 Pandemic Crisis in the Presence of Undesirable Inputs in DEA. Fuzzy Optimization and Modeling Journal (FOMJ), [S. l.], v. 2, n. 3, p. 47–55, 2021. DOI: 10.30495/fomj.2021.1943126.1040. Disponível em: https://oiccpress.com/fomj/article/view/6453. Acesso em: 13 jun. 2026.