The concept of validity
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Author
Publication
1980 - University of Linköping Department of Education, Linköping, Sweden
Language
English
Word Count
24,500 words, Guess
Page Count
98 pages
Identifiers
- ISBN-109173723827
- ISBN-139789173723824
- Open LibraryOL20320256M
Subjects
Series Statement
- Report -- LiU-PEK-R-59
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