Rana, S.V.S. <br/><br/>
Essentials of ecology and enviromental science 

 - 5th ed. 
 - New Delhi  PHI  2013 
 - xvii. 590p.  ill. include: glossary and index. 
<br/><br/><label>ISBN: </label>9788120347861 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enviromental science
<br/><br/><label>LC Class. No.: </label>QA541  / .R3 2013