2007-7610 2007-7610 S2007-76102021000200212 10.31644/ed.v8.n2.2021.r01 Mexico 00 12 2021 00 12 2021 8 2 212 222 1988 2020 2ª 2004 46 46 191-211 2016 1997 2017 2019 105-32 1999 3 2009 2017 2002 2014