Creswell John W.

Research design Qualitative quantitative and mixed methods approaches Creswell John W. - 4th - Los Angeles Angles Sage UK 2014 - xxix, 273p. cm.

9781455226101 5260.31

287,054

106993, 15/12/2015, International Book Distributors Textual


SOCIAL SCIENCES

Sigma:f, P9;Q4