Bhatnagar, O P <br/><br/>
Research methods and measurements in behavioural social science 

 - 2nd rev. ed  
 - New Delhi  Agricole Publishing Academy  1990 
 - xv,272p  
<br/><br/> Includes bibliographical references and index  
<br/><br/><label>Dewey Class. No.: </label>300.72 BHA