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

 - 2nd 
 - New Delhi,  New Age International,  c1985 
 - viii, 468p. ;  ill. ;  20 cm 
<br/><br/><label>ISBN: </label>8173280363 
<br/><br/><label>LC Class. No.: </label>Acc No: 3133 
<br/><br/><label>Dewey Class. No.: </label>001.42