Das D.K. Lal., <br/><br/>
Designs of social research. 
By D.K. Lal Das. 
 - 1st. 
 - New Delhi.:  Rawat publications.,  2005. 
 - ix, 318 p.:6 cm. 
<br/><br/><label>ISBN: </label>81-7033-985-5 
<br/><br/><label>Subjects--Index Terms: </label>Social sciences Designs of social research. 
<br/><br/><label>Dewey Class. No.: </label>300