Povyshenie kvalifikat͡sii uchiteleĭ.
| Müşterek Yazar: | |
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| Diğer Yazarlar: | |
| Materyal Türü: | Kitap |
| Dil: | Russian |
| Baskı/Yayın Bilgisi: |
[Place of publication not identified] :
[publisher not identified],
1958.
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| Konular: |
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University of Pennsylvania
| Yer Numarası: |
LB1725.R8 P68 |
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