1990-8644 1990-8644 S1990-86442020000500175 Perú Perú 00 10 2020 00 10 2020 16 76 175 183

1960 2002 52 9-19 2006 2003 2005 2005 1997 36 6 6 1-23 2003 2010 1999 2002 2002 13 6 6 2005 9 17 17 2006 2004 2010 2013 14 1 1 187-215