Creswell, John W.
Research design : qualitative, quantitative, and mixed methods approaches / John W Creswell. - 3rd ed / . - London : Sage Publications , 2009. - xxix,260p. : Ills., figs., tables, etc. ; 25cm. .
Includes bibliographical referrences and index
9788132107484 RS395.00
RESEARCH METHODS
001.42 / CRE/R
Research design : qualitative, quantitative, and mixed methods approaches / John W Creswell. - 3rd ed / . - London : Sage Publications , 2009. - xxix,260p. : Ills., figs., tables, etc. ; 25cm. .
Includes bibliographical referrences and index
9788132107484 RS395.00
RESEARCH METHODS
001.42 / CRE/R