1990-8644 1990-8644 S1990-86442021000100061 Chile España España 00 02 2021 00 02 2021 17 78 61 67

2016 19 1 1 15-40 2013 2018 14 49-64 2009 2010 23 36 36 733-51 Chile. Ministerio de Educación 2012 1981 1989 2019 14 1-20 2016 30 55 55 713-37 2019 14 3 3 689-700 2019 1-18 2017 50 41-61 2001 32 2 2 124-58 2002 70 1 1 1-25 2019 40 12 12 2016 1996 205-37