Paristhithipatanangal/ 
by Ramachandran Nair Panmana (ed.) 
 - Thiruvananthapuram:  P K Parameswaran Nair Memorial Trust,  2010. 
 - 224p. 
<br/><br/><label>ISBN: </label>8124018928 
<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