Mann Peter H <br/><br/>
Methods of social investigation 

 - 2 
 - Delhi  Disha Publications           1988 
 - viii,222p  cm. 
 - Reprinted : Delhi , Disha Publications , 1988 .
<br/><br/> Published previously as  methods of sociological enquiry 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Yb4, K8 ;M8