Research design : qualitative, quantitative, and mixed methods approaches.
Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches. - 2nd. - Thousand Oaks, California : Sage Publications, 2003. - xxvi, 246p.
Includes bibliographical references and index.
0761924426
Research methods.
Research design : qualitative, quantitative, and mixed methods approaches. - 2nd. - Thousand Oaks, California : Sage Publications, 2003. - xxvi, 246p.
Includes bibliographical references and index.
0761924426
Research methods.