Nirmala,G <br/><br/>
Paristhithiyude varthamanam [Malayalam] 

 -  Kozhikode  Mathrubhumi Books  2010 
 - x, 200p. : ill.   
<br/><br/><label>ISBN: </label>9788182649583 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental issue<br/>Environmental science<br/>Habitat