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Pedro Darder Vidal
4 cilt bulundu.
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El nen i l'altre
Pedro Darder Vidal · Editorial Nova Terra
175 sayfa · 1966
Behaviorism (Psychology) / Child psychology / Social psychology
El niño y los demás
Pedro Darder Vidal · Editorial Nova Terra
188 sayfa · 1970
Behaviorism (Psychology) / Child psychology / Social psychology