0185-1918 0185-1918 S0185-19182021000100067 10.22201/fcpys.2448492xe.2020.241.71963 00 04 2021 00 04 2021 66 241 67 88

2005 1978 2011 2 2 89-100 1996 1998 2002 2004 1969 2013 2003 1974 1978 1987 1988 2016 Ciudad de México 2004 5 8 8 7-11 2004 5 8 8 11-25 1947 1957 1961 1969 1969 1970 4ta 1972 1974 1976 1976 1976 1980 1981 2004 2013 2019 1999 1999 2017 2004 5 8 8 61-73 2002 2003