0123-3068 0123-3068 S0123-30682019000100267 10.17151/bccm.2019.23.1.12 Colombia Colombia 00 01 2019 00 01 2019 23 1 267 278

2008 2004 2018 4387 1 1 1-46 2007 11 167-86 2014 40 296-9 2013