Unni, K. Sankaran <br/><br/>
Paristhiti Vijnanathinte moolathuangal 
/ by K. Sankaran Unni 
 - Trivandrum :  State Institute of Language,  1984 
 - II, 229 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577  / UNN-P