Kothari C.R. <br/><br/>
Research methodology :  methods and techniques/ 
C.R.Kothari. 
 - 3rd ed. 
 - New Delhi :  New age international ,  2014. 
 - xx, 449 p. : 
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>9788122436235 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Research methods 
<br/><br/><label>LC Class. No.: </label>HD 20.1 .K 2014