1990-8644 1990-8644 S1990-86442019000500129 Perú 00 10 2019 00 10 2019 15 70 129 135

2007 6 2 2 132-47 2014 2014 2014 2004 2015 2010 2010 2011 2018 2012 6 10 10 119-40 2018 2015 2004 2014 365 67-95 2010 1993