Saxena, H. M. <br/><br/>
Environmental studies 
H. M. Saxena 
 - Jaipur  Rawat Publications  2006 
 - xiv,234p.;  23cm. 
<br/><br/><label>ISBN: </label>8170339936 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science-Study and teaching <br/>Pollution <br/>Biological diversity <br/>Conservation of natural resources
<br/><br/><label>Dewey Class. No.: </label>333.707   / SAX