Chitta, Shyamsunder, Ravi Kumar Jain, and R. Sriharsha. “Financial Soundness of Maharatna Companies: Application of Altman Z Score Model”. Indian Journal of Finance 13, no. 10 (October 31, 2019): 22–33. Accessed August 20, 2025. https://indianjournalofmarketing.com/index.php/IJF/article/view/147745.