2007-0934 2007-0934 S2007-09342020000801993 10.29312/remexca.v11i8.2616 Mexico Mexico 00 12 2020 00 12 2020 11 8 1993 1997

2009 93 1 1 110 2008 92 2 2 311 2003 21 1 1 40-7 2016 50 4 4 449-58 SIAP 2019 1991 75 8 8 790-4 2009 32 3 3 217-23