Nadhikal thadakangal/ 

 - Kozhikode:  Poorna,  2009. 
 - 103p. 
<br/><br/><label>ISBN: </label>9788130009292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rivers<br/>Science
<br/><br/><label>Dewey Class. No.: </label>M 551.483  / NAD