Mirhoseyni, Seyed Valiallah, Ebrahim Bahraminia, and Mahdia Monsefi. 2022. “Economics of Scale and Optimal Size of Hospitals (case Study of Shahid Rahnemoun Hospital)”. International Journal of Health Sciences 6 (S7):6674-87. https://doi.org/10.53730/ijhs.v6nS7.13651.