2007-0934 2007-0934 S2007-09342018000701564 10.29312/remexca.v9i7.1680 México México Mexico Mexico Mexico Mexico 00 11 2018 00 11 2018 9 7 1564 1568

1994 158 203-10 2005 6 29-32 2007 1988 65 165-70 SIAP 2018 1990 74 812-4 2001 19 100-3