Research design : qualitative, quantitative and mixed methods approaches
CRESWELL, John W.
Research design : qualitative, quantitative and mixed methods approaches John W. Creswell - 2a ed. - Thousand Oaks, California Sage Publications 2002 - 246p
0761924426
001.8
Research design--Qualitative
Research design--Quantitative
Research design--Mixed methods
Research design : qualitative, quantitative and mixed methods approaches John W. Creswell - 2a ed. - Thousand Oaks, California Sage Publications 2002 - 246p
0761924426
001.8
Research design--Qualitative
Research design--Quantitative
Research design--Mixed methods