Ponnapalli, Ramani, Krishna Murthy Ponnapalli, and A. Subbiah. “Aging and the Demographic Transition in India and Its States: A Comparative Perspective”. International Journal of Asian Social Science 3, no. 1 (January 15, 2013): 171–193. Accessed May 3, 2024. https://archive.aessweb.com/index.php/5007/article/view/2408.