0041-8633 0041-8633 S0041-86332019000301449 10.22201/iij.24484873e.2019.156.15159 Mexico 00 12 2019 00 12 2019 52 156 1449 1475

2015 2015 2013 2015 38 2015 2013 2006 2014 34 2016 2014 2011 2014 2011 2012 28 28 2012 2015 2012 8