Merkoša sitáhtat
APA-čujuhus (7. p.)
Otaala , B. (1973). The Development of Operation Thinking in Primary School Children: An Examination of some aspects of Piaget;s Theory among the Iteso Children of Uganda (ed.). Teachers College Press.
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Chicago-čujuhus (17. p.)
Otaala , Barnabas. The Development of Operation Thinking in Primary School Children: An Examination of Some Aspects of Piaget;s Theory Among the Iteso Children of Uganda. ed. New York: Teachers College Press, 1973.
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MLA-čujuhus (9. p.)
Otaala , Barnabas. The Development of Operation Thinking in Primary School Children: An Examination of Some Aspects of Piaget;s Theory Among the Iteso Children of Uganda. ed. Teachers College Press, 1973.
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