2550-6722 2550-6722 S2550-67222022000200109 10.37135/chk.002.17.07 Ecuador 00 08 2022 00 08 2022 17 109 121

2016 1998 1999 38 73 2020 25 40 40 9 2017 16-34 2019 2017 157-76 LOES 2018 2017 2015 Ministerio de Educación, Cultura y Deporte 2002 2019 2005 2001 3 26 26 2015