0370-3908 0370-3908 S0370-39082018000300230 10.18257/raccefyn.590 Colombia 00 09 2018 00 09 2018 42 164 230 231

2013 35 1-2 1-2 1-14 2006 646 2014 26 59-67 1999 34 88-104 2018 58 1-4 2004 3 17-42