WIJAYANTI, W.; PRATOMO, D. S.; KHUSAINI, M. The Effects of Socio-Economic Factors on Health of Elderly in East Java. Scientific Annals of Economics and Business, Iasi, Romania, v. 65, n. 2, p. 205–213, 2018. DOI: 10.2478/saeb-2018-0011. Disponível em: http://saeb.feaa.uaic.ro/index.php/saeb/article/view/1091. Acesso em: 17 jan. 2022.