Gouba K.L <br/><br/>
Marubhoomiyile pravachakan 

 - 3rd Ed. 
 - Kozhikode  Islamic publishing house  1998 
 - 206 
<br/><br/><label>ISBN: </label>8172044615 
<br/><br/><label>Dewey Class. No.: </label>BIO  / GOV/MAR