1981-2582 1981-2582 S1981-25822015000100113 10.15448/1981-2582.2015.1.11686 Brazil Brazil Brazil 00 04 2015 00 04 2015 38 1 113 123

26 93 93 34 123 123 539-55 22 75 75 9 3 3 289-301 27 1 1 87-103