0041-8633 0041-8633 S0041-86332020000200651 10.22201/iij.24484873e.2020.158.15632 Chile Chile 00 08 2020 00 08 2020 53 158 651 684

2011 1994 2013 1 1 2010 261-77 2019 2011 2019 12 8 8 2018 2-56 CADEM 2017 2013 2014 5 2 2 111-38 2005 2005 2016 2013 5 5 2006 2009 101-15 2015 2018 369-90 2018 65-87 2020 13 13 30 2003 2017 2011 2013 1982 2 3 3 2010 2003 10-15 6-11 2012 2015 XXVII 81-95 1995 2016 226 226 61-88 2002 2011 1992 2017 2009 1997 2018 2015 XXVII 467-80 Universidad de Concepción 2006 2012