Prathibha Patel, M., and V. K. Ranjith. “Measuring Efficiency and Productivity Change of Multi-Specialty Private Sector Hospitals in India : A DEA Based Malmquist Productivity Index Approach”. Indian Journal of Finance 12, no. 5 (May 1, 2018): 25–42. Accessed August 20, 2025. https://indianjournalofmarketing.com/index.php/IJF/article/view/123691.