✦ LIBER ✦
Number by Development. Vol. II., Intermediate Grades, Vol. III., Grammar Gradesby John C. Gray
- Book ID
- 123863497
- Publisher
- National Council of Teachers of Mathematics
- Year
- 1919
- Weight
- 193 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0025-5769
- DOI
- 10.2307/27950242
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