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2721
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2722
History and the social sciences new approaches to the teaching of social studies
Publicerad 1967Bok -
2723
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2724
Curricular changes in social studies in the Philippines elementary school from 1900 to 1960
Publicerad 1967Lärdomsprov -
2725
-
2726
-
2727
-
2728
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2729
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2730