1794-8932 1794-8932 S1794-89322019000100001 10.18634/sophiaj.15v.1i.908 Colombia 00 06 2019 00 06 2019 15 1 1 4 2011 7 1 1 81-98 2004 2016 8 10-20 2015 12 1 1 8-11