Dwivedi, R S. <br/><br/>
Research methods in behavioural sciences. 

 - New Delhi :  Macmillan Publishers India Ltd,  1997. 
 - viii, 256 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0333923979 9780333923979 
<br/><br/><label>Dewey Class. No.: </label>001.42 DWI