2448-6558 2448-6558 S2448-65582017000100143 10.24201/nrfh.v65i1.2831 Mexico 00 06 2017 00 06 2017 65 1 143 177

1989 21-32 2004 1989 65-76 1989 207-18 1929 1935 1943 1979 1994 1999 2005 2006 2007 1998 2007 2009 1977