Gupta, Mukesh Kumar, Gokul Acharjee, Abhijit Pandit, and Harendra Kumar. “The Scenario of National Thermal Power Corporation Pre and Post Disinvestments - A Paired T Test Analysis”. The journal of contemporary issues in business and government 29, no. 1 (March 30, 2023): 611–621. Accessed July 12, 2025. https://www.cibgp.com/index.php/1323-6903/article/view/2531.