Mafra, S. C. T., e R. Wong. “Analysis of Social Indicators on Aging Database IBGE. Identification of Variables for Social Policy Makers in Reducing the Social Risk for Aging Individuals: The Case of the Elderly in Brazil”. Oikos: Família E Sociedade Em Debate, vol. 23, nº 1, junho de 2012, p. 251-02, https://periodicos.ufv.br/oikos/article/view/3635.