Neuman, Lawrence W <br/><br/>
Social research methods : qualitative and quantitative approaches 

 - 7 
 - Chennai  Pearson  2015 
 - 600p. : ill.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9789332536449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social research methods