J. Rubasree, Dr. R. Rangarajan,. “Up-Skilling and Re-Skilling: A Strategic Response to Changing Skill Demands”. European Economic Letters (EEL) 14, no. 1 (February 18, 2024): 765–774. Accessed October 26, 2025. https://www.eelet.org.uk/index.php/journal/article/view/1097.