Gupta , R.L. & Gupta , V.K. <br/><br/>
Vitya Lekhakan 

 - Delhi  Sultan chand & sons  2007 
 - A1-A394, p 
<br/><br/><label>ISBN: </label>81-8054-415-X 
<br/><br/><label>Dewey Class. No.: </label>657.42H   Gup.P7