The difficulties of the public secondary school teachers in the teaching of modern mathematics III in the Division of Bataan, Bulacan, Nueva Ecija, Pampanga, Pangasinan, and Tarlac in 1970-1971 [microform].
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| 格式: | Visual Material |
| 语言: | English |
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Quezon City
Photoduplication Service, University of the Philippines Library
1979.
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