Environment index :  Newspaper and Journal Articles on Environment/   English. 
Central Environmental Authority. 
 - Battaramulla :  Central Environmental Authority,  1998. 
 - 47 p.:  30cm. 
<br/><br/> Sinhala version  
<br/><br/><label>Dewey Class. No.: </label>x551.588 (083.86)"98"  / NAT