Sen, Tamladipta, and Debasis Neogi. “Evaluating the Efficiency of Indian Cement Companies: An Integration of MCDM and Copeland Techniques”. Asian Journal of Interdisciplinary Research 8, no. 4 (October 24, 2025): 26–55. Accessed November 1, 2025. https://www.asianresassoc.org/journals/index.php/ajir/article/view/4707.