2393-6606 2393-6606 S2393-66062018000100003 10.22235/ech.v7i1.1537 Chile 00 06 2018 00 06 2018 7 1 3 16

CPE Puerto Rico 1984 2007 16 1 1 129-35 2010 16 1 1 31-5 2012 2012 146-64 1979 24 24 1981 71 7 7 694-705 2001 1996 1 1 1 27-41 2014 9 1 1 2014 2 1 1 86-97 2005 2011 XVIII 3 3 11-22 2009 40-3 2016 6 ed. 209-46 2701-11 2012 140 1154-63 2012 12 1 1 8-21 2004 6 14 14 189-96 2015 23 2 2 315-22 2004 -2 00 82 667-75 2007 11 2 2 325-30 2002 10 2 2 137-44 2007 60 5 5 546-51 2010 18 4 4 598-603 2010 12 2 2 55-92