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		No cover image available Age of peers and early childhood development by Bayley, Donald B., Jr \| Burchinal, Margaret R \| McWilliam, R. A. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available Quality of center child care and infant cognitive and language development by BURCHINAL, MARGARET R. Material type: Text; Format: print ; Literary form: Not fiction Publication details: CHICAGO, EUA. Availability: No items available.

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