Purohit,H.C and Wagh,Ajay, <br/><br/>
Research Methodology :  
Edited by  H.C.Purohit and Ajay Wagh .  
 - 4th /  
 - New Delhi  Shree Publishers & Distributors  2009 
 - xix;351p. 
<br/><br/><label>ISBN: </label>978-81-8329-361-7 
<br/><br/><label>Dewey Class. No.: </label>T48  / P9