Tiwari, Manoj <br/><br/>
Environmental studies 
Manoj Tiwari, Kapil Khulbe, Archana Tiwari. 
 - New Delhi  I.K. International  2007 
 - xvi, 266p.: ill.; 24cm. 
<br/><br/><label>ISBN: </label>8188237825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection Environmental pollution. 
<br/><br/><label>Dewey Class. No.: </label>363.7  / T54E