2001 <br/><br/>
Research Methods 
Ram Ahuja 
 - Jaipur ; New Delhi ;  Rawat;   ©2001. 
 - 454pages;   tabl., graph.  22cm 
<br/><br/><label>ISBN: </label>8170336538 
<br/><br/><label>LC Class. No.: </label>HN29  / .A242 2001