Tiwari, Manoj <br/><br/>
Environmental Studies 
Manoj Tiwari; Kapil Khulbe; Archana Tiwari 
 - New Delhi :   I.K. International Pub. House Pvt. Ltd.,   2007 
 - xvi, 272 pages  PC  25 
<br/><br/><label>ISBN: </label>8188237825 
<br/><br/><label>Dewey Class. No.: </label>574.5