TRIPATHI, P C <br/><br/>
A Text book of Research Methodology in Social Sciences 

 - 3rd edi 
 - New Delhi  Sultan chand & Sons  1997 
 - vii, 173p 
<br/><br/><label>ISBN: </label>81 7014 274 1 
<br/><br/><label>Dewey Class. No.: </label>300.0072