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1881
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1882
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A content analysis of UPSEC text High school science I exploring our environment
Udgivet 1979Thesis -
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Our national heritage and identity a proposed learning unit in social studies II
Udgivet 1979Thesis -
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1887
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1888
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The process approach in the teaching of elementary science in Camiling, Tarlac [microform].
Udgivet 1979Visual Material