Durga Nath Dhar <br/><br/>
Environment and ecology 

 -  New Delhi  Vayu Education of India  2009 
 - xvi, 244p.   
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>9789380097138 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Ecosystem<br/>Environmental legislation<br/>Environmental pollution<br/>Environmental studies<br/>Natural and energy resources