WILKINSON (T S) and BHANDARKAR (P L). <br/><br/>
Mehodology and techniques of social research 

 - 9 Rev 
 - Bombay.  Himalaya Publishing House  1993 
 - 456 
<br/><br/><label>ISBN: </label>81 7040 722 2 
<br/><br/><label>Dewey Class. No.: </label>300.72 WILM