Research design : qualitative, quantitative, and mixed methods approaches.
Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches. - 3rd ed. - Thousand Oaks, California : Sage Publications, c2009. - xxiv, 260p.
Includes bibliographical references and index.
9781412965576
Research methods.
Research design : qualitative, quantitative, and mixed methods approaches. - 3rd ed. - Thousand Oaks, California : Sage Publications, c2009. - xxiv, 260p.
Includes bibliographical references and index.
9781412965576
Research methods.