Guha, Majumder Madhumita, Ram Pratap Sinha, and Violeta Cvetkoska. “ Unveiling Productivity Growth in Indian Life Insurance Firms Through Data Envelopment Analysis”. Yugoslav Journal of Operations Research 34, no. 3 (December 27, 2023): 499–514. Accessed July 28, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/797.