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

 - 4th.ed. 
 - Delhi:  New Age International Publishers;  2019. 
 - xxi;458p.  colour.illus 
<br/><br/> Includes bibliography references, index 
<br/><br/><label>ISBN: </label>9789386649225  NC.560.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>research methods<br/>research techniques<br/>research methods
<br/><br/><label>Dewey Class. No.: </label>001.42/K87r/2019