1809-3876 1809-3876 S1809-38762017000200345 10.23925/1809-3876.2017v15i2p345-375 Brazil Brazil 00 06 2017 00 06 2017 15 2 345 375

30 1 1 139-59 1 1 9-43 1 1 1 103-08 33 33 7-47 0 0 63-82 28 101 101 1287-302