Bernard, H. Russell  1940- <br/><br/>
Social research methods :  qualitative and quantitative approaches / 
H. Russell Bernard. 
 - 2nd ed. 
 - Thousand Oaks, Calif. :  SAGE Publications,  2013. 
 - xxxiii, 789 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781412978545 (cloth) 1412978548 (cloth) 
<br/><br/><label>LCCN: </label>2011049881 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Methodology