Achuthan, A <br/><br/>
Uirvala: Jaivavaividhyam muthal kalavastha vethiyanam vare (m) / 
Achuthan, A 
 -  Kerala Bhasha Institute, Trivandrum,  2013 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental problems & services; Social problems & services
<br/><br/><label>Dewey Class. No.: </label>363.7 ACH-U