PONNAPALLI, R. .; PONNAPALLI, K. M. .; SUBBIAH, A. . Explaining Global Patterns of Population Aging in 2012 by the Demographic Transition Model. International Journal of Asian Social Science, [S. l.], v. 3, n. 2, p. 345–352, 2013. Disponível em: https://archive.aessweb.com/index.php/5007/article/view/2421. Acesso em: 3 jul. 2024.