Creswell, John W.
Designing and conducting mixed methods research /
- Thousand Oaks : Sage Pub., c2007.
- xviii, 275 p. : ill. ; 23cm.
Includes bibliographical references & index.
1412927927
1. Social sciences-Research-Methology.
2. Research-Evaluation.
Circ. 001.42 C923d 2007