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1. Child psychology /   Publication: New York : Appleton-Century-Crofts, 1973 . xv, 528 p. : Date:1973 Availability: No items available: Actions: Add to cart
2. The ambiguity of play by Sutton-Smith, Brian. Publication: Cambridge, Mass. : Harvard University Press, 1997 . 1 online resource (x, 276 p.) Date:1997 Availability: No items available: Actions: Add to cart