Bernard, H Russell.

Social research methods : qualitative and quantitative approaches / H Russell Bernard. - 2nd ed / . - London : Sage Publications , 2013. - xxxiii,789p. : ills., figs., tables etc. ; 27cm .

Includes bibliographical referrences and index

9781412978545 USD119.00

SOCIAL SCIENCE-RESEARCH-METHODOLOGY

300.72 / BER/S