2007-0934 2007-0934 S2007-09342018000701560 10.29312/remexca.v9i7.1679 México México 00 11 2018 00 11 2018 9 7 1560 1563

2018 41 2 2 217-8 2017 Méxicali 895 SAGARPA 2018 UPOV 1988 34