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41
The role of the language and operations of sets in the elementary arithmetic program
Veröffentlicht 1977Visual Material -
42
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43
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44
An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3
Veröffentlicht 1976Visual Material -
45
An item-analysis and validity study of the science education center elementary mathematics tests for grades 1, 2, and 3 [microform].
Veröffentlicht 1976Visual Material -
46
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47
Basic mathematics review text and workbook/Arithmetic and elementary algebra
Veröffentlicht 1976Buch -
48
Basic mathematics review text and workbook/Arithmetic and elementary algebra
Veröffentlicht 1976Buch -
49
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50
Games and puzzles for elementary and middle school mathematisc reading from the Arithmetic teacher
Veröffentlicht 1975Buch
