MONZELI, Abbasali; DANESHIAN, Behrouz. Efficiency Analysis of Tehran Hospitals’ Emergency Departments through Data Envelopment Analysis with Undesirable Factors. Annals of Healthcare Systems Engineering, [S. l.], v. 2, n. 2, p. 65–75, 2025. DOI: 10.22105/ahse.v2i2.34. Disponível em: https://ahse.reapress.com/journal/article/view/34.. Acesso em: 11 sep. 2025.