Evaluation research methods for assessing program effectiveness
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Englewood Cliffs, N.J.
Prentice-Hall
[1972]
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| Schriftenreihe: | Prentice-Hall methods of social science series
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| Schlagworte: |