1870-9044 1870-9044 S1870-90442016000100077 10.17562/PB-53-8 Colombia Colombia 00 06 2016 00 06 2016 53 77 82

2006 3 1 1 2-18 2004 2012 56 18 18 3825-33 2014 2013 2011 2005 2006 189-204 1993 5 2 2 199-220 1995 2005