The Development of Operation Thinking in Primary School Children : An Examination of some aspects of Piaget;s Theory among the Iteso Children of Uganda /

Furkejuvvon:
Bibliográfalaš dieđut
Váldodahkki: Otaala , Barnabas
Materiálatiipa: Girji
Giella:eaŋgalasgiella
Almmustuhtton: New York : Teachers College Press, 1973.
Preanttus:ed.
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