Das, D.K.Lal <br/><br/>
Designs of Social Research 

 - rawat publications  India  2005 
 - xviii, 322 p:  21 cm 
<br/><br/><label>ISBN: </label>8170339847 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>302.072 DAS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>පරයේෂණ<br/>Investigations
<br/><br/><label>Dewey Class. No.: </label>302.072   / DAS