Wickremaratne, Dharman <br/><br/>
Environment is their vision & misson 

 -  Sri lanka environmental journalist forum  1998 
 - 197p., ill.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Salvinia
<br/><br/><label>Universal Decimal Class. No.: </label>581.52  / WIC