Evaluation research : methods for assessing program effectiveness /
| Main Author: | |
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| Format: | Book |
| Language: | Inglés |
| Published: |
New Jersey :
Prentice-Hall,
c1972.
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| Series: | Prentice-Hall methods of social science
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| Subjects: |
| Physical Description: | xii, 160 p. ; 23 cm. |
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| Bibliography: | Incluye refencias bibliográficas (p. 129-154) e índice. |
| ISBN: | 0132921936 |