Kumar, Anil. <br/><br/>
Environment and Ecology/ 
By Anil Kumar De and Arnab Kumar De. 
 - New Age International. 
 - New Dehli:  New Age International,  2009. 
 - xiii,180 p.: 
<br/><br/><label>ISBN: </label>9788122424799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment.<br/>Ecology.
<br/><br/><label>LC Class. No.: </label>QH541.5  / KUM2009