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Randomized experiments for planning and evaluation : a practical guide / Robert F. Boruch.
- 300.723 B7396
- Boruch, Robert F.
- Sage Publications,
- c1997.
- Thousand Oaks, Calif. :
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Working with sensitizing concepts : analytical field research / Will C. Van den Hoonaard.
- 300.72 V227
- Van den Hoonaard, Will. C. 1942-
- Sage Publications,
- c1997.
- Thousand Oaks :