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Helmore, G. A.

Piaget : a practical consideration : a consideration of the general theories and work of Jean Piaget, with an account of a short follow up study of his work on the development of the concept of geometry / by G. A. Helmore. - Oxford: Pergamon Press, 1969. - vii, 73 p. : ill. ; 20 cm. - The Commonwealth and international library .

Includes bibliography: p. 73.

ISBN: 0080068936

Subjects--Personal Names:
Piaget, Jean, 1896-1980

Subjects--Topical Terms:
Child psychology
Παιδική ψυχολογία

Dewey Class. No.: 155.413092