1794-192X 1794-192X S1794-192X2021000200167 10.21500/22563202.5528 Colombia Colombia 00 12 2021 00 12 2021 19 2 167 170 2012 46-60 2021 10 3 3 30-79 2014 87-101 2002 2001 1-6 2014