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Amazon.com: Jean Piaget, Children and the Class-Inclusion Problem (Psychology Press & Routledge Classic Editions): 9780367725259: Kohnstamm, Dolph: Books
Child and Reality: Problems of Genetic Psychology: Piaget, Jean: 9780846411604: Amazon.com: Books
The Child's Conception of Time: Piaget, Jean: 9780345023711: Amazon.com: Books
O Nascimento da Inteligência na Criança (Em Portuguese do Brasil): Jean Piaget, 3: 9788521612582: Amazon.com: Books