The Psychology of preschool children Zaporozhet︠s︡, A. V. ed. Ėlʹkonin, D. B. ed. text bibliography mau Cambridge MIT c1971 1971 monographic eng rus
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xxiii, 376 p. ; 22 cm. A. V. Zaporozhets and D. B. Elkonin, editors. Translated by John Shybut and Seymore Simon. Includes bibliographies. Child psychology Cognition in children BF721 .P77613 136.73532 ZAP 76166515 DLC 711012 20161116102506.0 820417