Chandrakandan, K; Venkatapirabu, J; Sekar, V & Anandakumar, V <br/><br/>
Tests & measurements in social research 

 - A P H Publishing Corporation, New Delhi  2001 
 - x,416 
<br/><br/><label>ISBN: </label>81-7648-241-2 
<br/><br/><label>Dewey Class. No.: </label>151.2 Cha