Jain, Gopal Lal <br/><br/>
Research methodology: methods tools & techniques 

 - Jaipur  Mangal Deep Publications  1998 
 - 296p.  23 cm. 
<br/><br/><label>ISBN: </label>8175940158 
<br/><br/><label>Dewey Class. No.: </label>300.72  / JAI