1990-8644 1990-8644 S1990-86442019000500081 Perú 00 10 2019 00 10 2019 15 70 81 89

2012 2013 2 1 1 55-60 2010 2004 2015 6 15 15 91-107 2006 24 24 37-45 2019 2011 3 1 1 127-57 1986 2009 2016 203 1-17 2004 177-99