Katharakis, George, Maria Katharaki, and Theofanis Katostaras. “SFA Vs. DEA for Measuring Healthcare Efficiency: A Systematic Review”. International Journal of Statistics in Medical Research 2, no. 2 (April 30, 2013): 152–166. Accessed November 21, 2024. https://lifescienceglobal.com/pms/index.php/ijsmr/article/view/903.