1676-2592 1676-2592 S1676-25922018000100066 10.20396/etd.v20i1.8647545 Brazil 00 03 2018 00 03 2018 20 1 66 80

15 1 1 159-69 42 118 118 22-9 1 4 4 10-5 40 2 2 443-64 13 1 1 195-208 7 1 1 5-26 7 6 6 679-92 8 17 17 85-97 41 41 839-84