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
| Príomhchruthaitheoir: | |
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| Rannpháirtithe: | |
| Formáid: | LEABHAR |
| Foilsithe / Cruthaithe: |
San Diego, Calif.
EDITS Publishers
c1981.
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| Eagrán: | 2nd ed. |
| Ábhair: |