1027-152X 1027-152X S1027-152X2017000200089 10.5154/r.rchsh.2016.10.027 PERÚ Mexico 00 08 2017 00 08 2017 23 2 89 96

2013 2006 171 3 3 501-23 2011 2 2 2 66-71 2000 35 7 7 1231-3 2006 28 1 1 1-10 2008 59-504 1998 2010 261-92 2007 2001 2001 13 3 3 117-24 2001 25 1 1 7-91 2006 23 3 3 257-72 Statistical Analysis System (SAS) 2004 2010 13-24 2001 155 1 1 29-34 2014 4 24 24 4232-45 2013 48 167-70