Das; D.K.Lal  <br/><br/>
Designs of social research  English 

 - Jaipur  Rawat publications  2005 
 - 318pg 
<br/><br/><label>ISBN: </label>81-7033-984-7 
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Sociology
<br/><br/><label>Dewey Class. No.: </label>300.7 D26D