2007-0934 2007-0934 S2007-09342018000501089 10.29312/remexca.v9i5.1513 Mexico Mexico 00 08 2018 00 08 2018 9 5 1089 1092

1993 7 7 33 INEGI 2017 1964 145 279-80 1991 68 6 6 482-6 2005 102 3 3 949-54 1975 109-26 SIAP 2017 1980