Chaudhary,  Vijay  Kumar <br/><br/>
Utranchal Paryawaran awam bipnan ka vikas 

 - 1st 
 - New Delhi  Inter-India Publishers  2005 
 - 312p. 
<br/><br/><label>ISBN: </label>9788121004244 
<br/><br/><label>Dewey Class. No.: </label>380.954 CHA-U