Kothari, C R <br/><br/>
Research methodology: Methods & techniques 

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 - Wishwa Prakashan, New Delhi  1997 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  KOT-R2