1981-2582 1981-2582 S1981-25822015000100032 10.15448/1981-2582.2015.1.18441 Brazil Brazil Brazil 00 04 2015 00 04 2015 38 1 32 48

44 44 24 3 3 23 23 36-61 22 22 22 59-80 64 3 3 278-308 6 6 17-51