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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ121794
Record Type: CIJE
Publication Date: 1975
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
An Exploratory Analysis of the Representation of a Mathematical Structure in Students' Cognitive Structures
Geeslin, William E.; Shavelson, Richard J.
American Educational Research Journal, 12, 1, 21-39, Win 75
Publication Type: N/A
Education Level: N/A
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Language: N/A
Sponsor: N/A
Authoring Institution: N/A
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