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1كتاب
مصطلحات موضوعية: Arithmetic -- Study and teaching (Elementary) -- Congresses., Conference proceedings.
Relation: Conference on Elementary School Mathematics (1959 : Chicago)
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2
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3كتاب
المساهمون: School Mathematics Study Group.
مصطلحات موضوعية: Mathematics -- Study and teaching (Elementary) -- Congresses., Arithmetic -- Study and teaching (Elementary) -- Congresses., Mathematics -- Study and teaching (Secondary) -- Congresses.