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1971
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1972
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1973
An integrated approach to the social sciences with emphasis on the Philippine setting
Veröffentlicht 1977Buch -
1974
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1975
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1976
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1977
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1978
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1979
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1980
Proposed improvements in the teaching of social studies in the Bataan High School
Veröffentlicht 1977Abschlussarbeit