1676-2592 1676-2592 S1676-25922017000100119 10.20396/etd.v19i1.8647817 Brazil Brazil 00 03 2017 00 03 2017 19 1 119 140

18 5 5 524-38 39 2 2 18 8 8 872-86 2 1 1 61-73 10 1 1 344-50 4 12 12 28 94 94 134-45 18 77 77 18 2 2 202-20