Sadasivan, V. <br/><br/>
Vanyajeevi nereekshanangal / 
by V. Sadasivan 
 - 4th ed. 
 - Trivandrum :  State Institute of Languages,  2000. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Forest Animals Wild Animal - Ecology Zoology