Showing 1 - 8 results of 8 for search 'Werdelin, I. (Ingvar)', query time: 0.01s Refine Results
  1. 1
    The concept of validity /
    Book
    by Werdelin, I. (Ingvar)
    Published 1980
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  2. 2
    A study of attitudes towards school
    Book
    by Werdelin, I. (Ingvar)
    Published 1966
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  3. 3
    A synthesis of two factor analyses of problem solving in mathematics.
    Book
    by Werdelin, I. (Ingvar)
    Published 1966
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  4. 4
    Access of workers to higher education : obstacles and difficulties : a report prepared for UNESCO /
    Book
    by Werdelin, I. (Ingvar)
    Published 1981
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  5. 5
    Access of workers to higher education : obstacles and difficulties /
    Book
    by Werdelin, I. (Ingvar)
    Published 1981
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  6. 6
    A pedagogical experiment regarding a new text book of mathematics /
    Book
    by Werdelin, I. (Ingvar)
    Published 1960
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  7. 7
    Quantitative methods and techniques of educational planning.
    Book
    by Werdelin, I. (Ingvar)
    Published 1972
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  8. 8
    Experimental studies of the use of abstract and concrete concepts in problem solving /
    Book
    by Persson, B.
    Published 1968
    Other Authors: “…Werdelin, I. (Ingvar)…”
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