2215-3934 2215-3934 S2215-39342021000200114 10.15517/h.v11i2.47312 Chile Chile 00 12 2021 00 12 2021 11 2 114 135

2017 2005 2009 2015 2016 2015 2002 2006 2017 2017 2009 2010 2015 1990 2013 2012 2018 2019 2021 2020 2020 2018 2017 2009 2011 2008 2014 2011 1999 2018 Ministerio de Educación 2018 2014 2013 2016 2015 2010 2014 2011 2019 2004 2010 2015 2019