Ummerkutty, A. N. P. <br/><br/>
Katalinakathum manushyavasam / 
by A. N. P. Ummerkultty 
 - Calicut :  Poorna,  1990. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Geography