Kothari, C.R <br/><br/>
Research methodology :  Methods and techniques 
Kothari, C.R 
 - 3rd d. 
 - New Delhi:  New Age International ,  2004. 
 - xvi,401p.: 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>9788122415223 
<br/><br/><label>Subjects--Personal Names: </label><br/>research
<br/><br/><label>LC Class. No.: </label>H61 .K68 2004