Durga Nath Dhar <br/><br/>
Environmental science and ethics 

 -  New Delhi  Vayu Education of India  2009 
 - xvi, 236p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789380097428 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodiversity<br/>Ecosystem<br/>Energy resources<br/>Environmental pollution<br/>Environmental science<br/>Natural resources and toxicity