0104-7043 0104-7043 S0104-70432014000200023 10.2014/jul.dezv23n42003 Brazil Brazil Brazil 00 12 2014 00 12 2014 23 42 23 36

11 4 4 29-40 13 1 1 1-14 39 4 4 243-53 13 1 1 15-42 32 1 1 3-4 53 2 2 41-66 19 3 3 8-13 16 2 2 97-116