1809-3876 1809-3876 S1809-38762017000200481 10.23925/1809-3876.2017v15i2p481-503 Brasil Brazil Brazil 00 06 2017 00 06 2017 15 2 481 503

1 2 2 99-116 14 3 3 340-45 6 2 2 33-52 12 3 3 1530-11555