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Possibility and necessity

Possibility and necessity
Paper図書
University of Minnesota Pressc1987
Other Libraries in Japan
  • Author HeadingPiaget, Jean Ackermann-Valladao, E.

The role of necessity in congnitive development

The role of necessity in congnitive development
Paper図書
Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga FeiderUniversity of Minnesota Pressc1987
Other Libraries in Japan
  • Author HeadingPiaget, Jean Ackermann-Valladao, E.

The role of possibility in cognitive development

The role of possibility in cognitive development
Paper図書
Jean Piaget ; with E. Ackermann-Valladao ... [et al.] ; translated from the French by Helga FeiderUniversity of Minnesota Pressc1987
Other Libraries in Japan
  • Author HeadingPiaget, Jean Ackermann-Valladao, E.

L'évolution du nécessaire chez l'enfant

L'évolution du nécessaire chez l'enfant
Paper図書
Jean Piaget ; avec la collaboration de E. Ackermann-Valladao ... [et al.]Presses Universitaires de France1983
Other Libraries in Japan
  • Author HeadingPiaget, Jean Ackermann-Valladao, E.

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