1870-879X 1870-879X S1870-879X2021000200210 10.46530/ecdp.v0i30.445 Colombia 00 12 2021 00 12 2021 15 30

1989 2015 15-16 15-16 1972 1993 1997 1974 2007 2009 2010 1997 2014 Medellín 2016 2002 1997 2016 2013 2006 2006 2007 2005 2010 2007 1990