2308-0132 2308-0132 S2308-01322023000300003 Ecuador 00 12 2023 00 12 2023 11 3

2020 1-67 2019 43 2 2 18-32 2020 1 1 1 1-17 2020 2020 2020 29 3 3 137-41 2001 2019 10 24 24 167-92 2021 2021 58 2 2 535-50 Ministerio de Educación 2021 2021 6 2 2 41-60 2021 4 8^sesp 8^sesp esp 197-211 2021 2014 7 1 1 581-8 2007 40 40 92-112 2020 19 39 39 163-79 2007 2da