0185-1276 0185-1276 S0185-12762020000100223 10.22201/iie.18703062e.2020.116.2720 Mexico 00 00 2020 00 00 2020 42 116 223 230 2007 XXIX 90 90 65-100 1955 1994 1844 III 1985 1990 1963 1987 1855 2012 1934 2014 1997 1982 I 1351-66