Patanjali Premchand <br/><br/>
Vyavsayik Hindi 

 - 2nd 
 - new Delhi  vani Prakashan  2009 
 - 149 
<br/><br/><label>ISBN: </label>817055506X 
<br/><br/><label>Dewey Class. No.: </label>491.43018 PAT