S.A. Nasim. <br/><br/>
Elements of ecology / 
S.A. Nasim. 
 - New Delhi :  Axis Books,  2012. 
 - viii, 271 p. :  ill. ;  24cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9789381302347 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection.
<br/><br/><label>LC Class. No.: </label>Microfiche 2013/60008 (Q) 
<br/><br/><label>Dewey Class. No.: </label>577  / NAS