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

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 - Jaipur  Rawat Publications  2005 
 - xvi, 318 p. 
 -   .
<br/><br/><label>ISBN: </label>8170339855 
<br/><br/><label>Dewey Class. No.: </label>300.72  / D229