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Number Sentences—A Programmed Text.("Understanding Mathematics Series")by V. L. Dorsch; M. F. Hubley
Review by: RICHARD V. ANDREEVolume:
12
Language:
english
Journal:
The Arithmetic Teacher
DOI:
10.2307/41185114
Date:
February, 1965
File:
PDF, 233 KB
english, 1965