Lal Das, D K <br/><br/>
Designs of research 

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 - Jaipur  Rawat Publication  2005 
 - 318 p 
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science research
<br/><br/><label>Dewey Class. No.: </label>300.72  LAL-D