1982-596x 1982-596x S1982-596x2018000100113 10.14393/revedfil.issn.0102-6801.v32n64a2018-06 Colombia 00 01 2018 00 01 2018 32 64 113 133

2000 1998 2002 1990 1994 31-50 1987 2000 2008 2016 64-79