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A comparative study of the nature of verbal arithmetic problems, grades three through six, from four periods: the mid-30's, the mid 50's, the mid-60's, the early 70's
Dissertation

A comparative study of the nature of verbal arithmetic problems, grades three through six, from four periods: the mid-30's, the mid 50's, the mid-60's, the early 70's

Matadial Mangru
University of Iowa
Doctor of Philosophy (PhD), University of Iowa
1976
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