2007-0934 2007-0934 S2007-09342015000902149 10.29312/remexca.v0i11.784 Mexico Mexico 00 06 2015 00 06 2015 6 spe11 2149 2156

2014 2014 1-8 2005 5th 922 2005 22 315-23 2011 36 1995 92 7143-7 2012 59 2008 3 44-8 1989 2a 125-43 2008 99 2008 35 3 3 83-6 Statistical Analysis System (SAS) Institute 2002 2000 1 29-33 2004 202-7 2005 24 625-31