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- 61010796 contributor B1479625.
- 61010796 created "[1961]".
- 61010796 date "1961".
- 61010796 date "[1961]".
- 61010796 dateCopyrighted "[1961]".
- 61010796 description "Includes bibliography.".
- 61010796 extent "552 p.".
- 61010796 issued "1961".
- 61010796 issued "[1961]".
- 61010796 language "eng".
- 61010796 publisher "Columbus, Ohio, C. E. Merrill Books".
- 61010796 subject "372.7".
- 61010796 subject "Arithmetic Study and teaching (Elementary)".
- 61010796 subject "Mathematics Study and teaching (Elementary)".
- 61010796 subject "QA135 .D47".
- 61010796 title "Improving mathematics programs: trends and issues in the elementary school.".
- 61010796 type "text".