Crano, William D., <br/><br/>
Principles and methods of social research / 
William D. Crano, Marilynn B. Brewer, Andrew Lac.  21/385 
 - New York :  Routledge,  2015. 
 - xx, 484 p. : 
<br/><br/><label>ISBN: </label>9780415638562 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>300.72  / Pr,3