Perera, Lalith <br/><br/>
ශ්‍රි ලංකාවේ විශේෂිත තෙත්බිම් 
= SHrii lankaave viSHeesitha thethbim 


 - Hettigama:  Samanthi Publishers,  2016. 
 - 80p.;  21cm 
<br/><br/><label>ISBN: </label>978-955-084-168-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic Ecology<br/>Wetland Ecology
<br/><br/><label>Dewey Class. No.: </label>577.68095493  / PER