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271
The status of social studies instruction in the public and private secondary schools of Southern Oriental, School year 1987-1988
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272
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273
Teachers' and students' perceptions in social studies curriculum in Mindanao State University Integrated Laboratory School
Cyhoeddwyd 1988Traethawd Ymchwil -
274
The relationship of some intellective and non-intellective factors to the science achievement of secondary students
Cyhoeddwyd 1988Traethawd Ymchwil -
275
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276
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277
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278
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279
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280


