1982-596x 1982-596x S1982-596x2017000301385 10.14393/revedfil.issn.0102-6801.v31n63a2017-05 Brazil 00 09 2017 00 09 2017 31 63 1385 1396

1972 2014 34 237-47 1991 1981 2008 1986 2002 2014 1987