Paristhithipatanangal/ 
by Ramachandran Nair Panmana (ed.). 
 - Thrissur:  Current Books,  2010. 
 - 224p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>M 333.7  / RAM/P