1390-8642 1390-8642 S1390-86422021000200184 10.17163/alt.v16n2.2021.02 Chile 00 12 2021 00 12 2021 16 2 184 197

2004 2005 2011 2013 2017 2018 2011 2015 2016 2016 2014 2020 2003 2012 2007 2015 1989 2019 2017 2017 2014 2011 2017 2020 2020 2015 1975 2013 2020 2018 2020 2020 2011 2020 2019 MINEDUC [Ministerio de Educación de Chile] 2018 2014 1979 2018 2013 2014 2010 2012 2001 2016 2018 2009