Yadav, Sunil Kumar. “Analysis of Profitability of Maharatna Central Public Sector Enterprises in India During the Post- Liberalization Era through Technical Efficiency Scores (TES)”. Research Bulletin 48, no. 1-2 (July 1, 2022): 33–46. Accessed October 6, 2024. http://icmai-rnj.in/index.php/rb/article/view/172309.