2518-4431 2518-4431 S2518-44312021000200113 10.23881/idupbo.021.2-7e Chile 00 00 2021 00 00 2021 21 2 113 129

1 2000 2 1934 3 1961 4 2001 5 1997 6 1993 7 1998 8 2010 9 1997 10 2017 23-52 11 2017 12 2012 13 2012 245-68 14 2011 15 2012 55-79 16 2012 17 2012 18 2006 19 2012 20 2004 21 2014 22 2016 23 2018