Mangal, S K  <br/><br/>
Research methodology in behavioural sciences/  
by S K Mangal; Shubhra Mangal            
 - Delhi  PHI Learning Private Limited.  2023 
 - xxiii, 740p. 
<br/><br/><label>ISBN: </label>978-81-203-4808-0 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Dewey Class. No.: </label>001.42 MAN/R