B.J. Vani deve, and R.K. Sneka. “Implementation of Statistical Methodologies and Inference For Navratna Companies in India Using Python Software”. Journal of Statistics and Mathematical Engineering 10, no. 2 (August 13, 2024): 8–20. Accessed October 29, 2025. https://matjournals.net/engineering/index.php/JOSME/article/view/816.