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		No cover image available Cultura, educación, mentalidad by Davydov, V. V \| Zinchenko, V. P., coaut. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available The psychological analysis of multiplication procedures by Davydov, V. V. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.

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