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].
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | Visual Material |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Quezon City
Photoduplication Service, University of the Philippines Library
1979.
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| Ábhair: |