1984-7114 1984-7114 S1984-71142018000200074 10.14210/contrapontos.v18n2.p74-88 Brazil Brazil 00 06 2018 00 06 2018 18 2 74 88

219-26 42 16 55-71 427-50 2 9-13 107-30 263-80 6 6 68-96 3 39-70