Social security: Insurance perspectives for self-employed workers,Previdência social: Perspectivas do seguro para trabalhadores autônomos E.E. Soares Ramalho R.R.D. Oliveira Filho S.H. Toyoshima Publication Journal: Espacios Year of Publication: 2016 Identifiers ISSN: 07981015 Other Numbers: 2-s2.0-85013379891 Alternative titles Google ScholarBibTeXRIS Locators