2007-0934 2007-0934 S2007-09342017000100209 10.29312/remexca.v8i1.84 Mexico Mexico 00 02 2017 00 02 2017 8 1 209 214

2012 103 925-37 2004 88 446-52 2010 39 266-77 2002 85 51-82 2011 46 1224-9 2013 2000 31 135-9 2014 2012 105 40-7 2009 2011 2 971-8