Weerasekara, Dayarathna <br/><br/>
පරිසරය නිවැරදිව දකිමු 
= parisaraya nivaeradhiva dhakimu 


 - Colombo:  Godage,  2017. 
 - 200p.;  ill.;  21 cm. 
<br/><br/><label>ISBN: </label>978-955-30-8259-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment Studies
<br/><br/><label>Dewey Class. No.: </label>333.707  / WEE