Qualitative research and evaluation methods /
by Michael Quinn Patton.
- 3 ed.
- Thousand Oaks, Calif. : Sage Publications, c2002.
- xxiv, 598, [65] p. : ill. ; 26 cm.
Rev. ed. of: Qualitative evaluation and research methods. 2nd ed. 1990.
Includes bibliographical references and indexes.
0761919716
2001005181
Social sciences--Methodology. Evaluation research (Social action programs)