5 1 10 Qualitative, Quantitative, and Mixed Methods Approaches Creswell, John W. Primary Author mixed material 9781412965576 USA Sage Publications, Inc. 2009 cover_research-design-qualitative-quantitative-and-mixed-methods-approach-20260602092611.png Qualitative, Quantitative, and Mixed Methods Approaches Creswell, John W. and Creswell, J. David Primary Author mixed material 9781506386706 Los Angeles Sage Publications, Inc. 2018 cover_research-design-qualitative-quantitative-and-mixed-methods-approach-20260602091328.png Qualitative, Quantitative, And Mixed Methods Approaches Creswell, John W. Primary Author mixed material Sl SN Sa Research design Cover_Research_Design.jpg Creswell, John W. Additional Author mixed material 0803952546 London SAGE PUBLICATIONS 1994 Creswell, John W. Additional Author mixed material 0761924426 USA SAGE PUBLICATIONS 2003