Chawla,D. & Sondhi,N. <br/><br/>
Research Methodology    Concepts and Cases 

 - 2nd 
 - Noida   Vikas Publishing House Pvt.  2025 
 - 789p 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>300.723 CHA