Evaluation research : methods for assessing program effectiveness
Main Author: | |
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Language: | English |
Published: |
Englewood Cliffs, N.J.:
Prentice-Hall,
c1972..
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Series: | Prentice-Hall methods of social science series.
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Subjects: | |
Online Access: | https://catalog.hathitrust.org/api/volumes/oclc/340355.html |