SHARMA,p.d. <br/><br/>
Ecology and Enviornment 
by P.D.Sharma 
 - 11th ed. /  
 - Delhi:  rastogi,  2011. 
 - 643p.:  25x18cm.+  4938. 
<br/><br/> It includes Index & Glossary. 
<br/><br/><label>ISBN: </label>9788171339655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Ecology and Enviornment
<br/><br/><label>Dewey Class. No.: </label>577.14