1990-8644 1990-8644 S1990-86442021000400261 Chile Chile 00 08 2021 00 08 2021 17 81 261 268

2011 76 55-67 2000 25 41-58 2001 2020 16 77 77 436-41 2014 1173-5 2014 681-8 Chile. Ministerio de Educación 2015 2004 22 1 1 5-18 2019 1-12 2016 30 55 55 713-37 2020 41 706-29 2018 1 2 2 18-39 2018 111-37 2008 4 1 1 20-32 2010 61-8 2002 70 1 1 1-25 2019 40 2 2 153-75 2020 11 2016 184-90 2013 26 18-30