Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches /
John W. Creswell.
- 3rd ed.
- Thousand Oaks, Calif. : Sage Publications, c2009.
- xxix, 260 pages ; 26 cm.
Includes bibliographical references (p. 237-245) and indexes.
9781412965576
Social sciences--Research--Methodology.
Social sciences--Statistical methods.
300.72 CRES