Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral sciences /
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主要作者: | |
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格式: | 圖書 |
語言: | English |
出版: |
San Diego, Calif. :
R. R. Knapp,
c1971.
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版: | 1st ed. |
主題: | |
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