Kothari, C R <br/><br/>
Research methodology: methods and Techniques 

 - 4 edition 
 - New Delhi  Wiley Eastern Limited  1993 
 - 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science research
<br/><br/><label>Dewey Class. No.: </label>300.72  KOT-R