Difficulties of teachers teaching elementary mathematics in the public elementary schools in the Division of Dagupan City for the school year 1961-1972 a critical analysis [microform].
| المؤلف الرئيسي: | |
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| التنسيق: | Visual Material |
| اللغة: | English |
| منشور في: |
Quezon City
Photoduplication Service, University of the Philippines Library
1979.
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| الموضوعات: |