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Education, Secondary
Enseñanza secundaria
8
High school students
2
Home and school
2
Administración de la educación
1
Adolescente
1
Educación moral
1
Educational sociology
1
Familia
1
Family relationships
1
Historia
1
History
1
Investigación
1
Matemáticas
1
Mathematics
1
Methodology
1
Moral education
1
Practice
1
Research
1
School management and organization
1
School principals
1
Study and teaching
1
Teachers
1
Teaching
1
Training of
1
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1
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2
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3
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4
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5
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6
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7
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8