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ERIC Number: EJ015156
Record Type: Journal
Publication Date: 1969
Pages: N/A
Abstractor: N/A
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Research Problems
Ruvin, Harold
J Educ, 152, 1, 38-44, 69 Oct
The sheer number of instructional materials on the market creates a problem for educators because every new device must be carefully evaluated as to its feasibility before its successful use can be assured. (CK)
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