2238-121X 2238-121X S2238-121X2016000400081 10.15600/2238-121X/comunicacoes.v23nespp81-95 Brazil 00 09 2016 00 09 2016 23 3 81 95

31 112 112 919-38 34 31-48 22 81 81 10 2 2 125-37