The colored rods in the teaching of arithmetic in grades. IN Alarilla, Luis M. [column]
Published in: | Education Quarterly Vol. 12, no. 3 (1965), p. 44-52 |
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Main Author: | |
Format: | Article |
Published: |
1965
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Published in: | Education Quarterly Vol. 12, no. 3 (1965), p. 44-52 |
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Main Author: | |
Format: | Article |
Published: |
1965
|