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Look into the Facts, Addition and Subtraction and Look into the Facts, Multiplication and Division, teacher's guidesby Carol A. Thornton; Cathy Noxon
Review by: Edward C. RathmellVolume:
25
Language:
english
Journal:
The Arithmetic Teacher
DOI:
10.2307/41190355
Date:
January, 1978
File:
PDF, 324 KB
english, 1978