Čájehuvvojit 1 - 2 oktiibuot 2 bohtosis ohcui "Psychology"' Aiddostahte ozu
  1. 1
    Almmustuhtton 1968
    Fáttát
    Girji
    Lasit oiddohiidda
    Furkejuvvon:
    Logical thinking in children : research based on Piaget's theory /
  2. 2
    Almmustuhtton 1969
    Fáttát
    Girji
    Lasit oiddohiidda
    Furkejuvvon:
    Studies in cognitive development; essays in honor of Jean Piaget.

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