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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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Focus groups as qualitative research / David L. Morgan.
- 300.723 M8471 1997
- Morgan, David L.
- Sage Publications,
- c1997.
- Thousand Oaks, Calif. :
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Introduction to typology : the unity and diversity of language / Lindsay J. Whaley.
- 410 W5524
- Whaley, Lindsay J.
- Sage Publications,
- c1997.
- Thousand Oaks, Calif. :