FRITZSCH, R. B.; VANZANTE, N. R.; GAHARAN, C. Social Security Benefits Taxation: Issues And Present Status. Journal of Business & Economics Research (JBER), [S. l.], v. 10, n. 12, p. 659–664, 2012. DOI: 10.19030/jber.v10i12.7421. Disponível em: https://clutejournals.com/index.php/JBER/article/view/7421. Acesso em: 17 jul. 2024.