Initial Environmental Examination for Proposed aquaculture Projects at Wairankattuwa :  English. 
Central Environmental Authority. 
 - Colombo :  Engineering Consultants LTD,  
 - [33] p.:  ill. maps;  29cm. 
<br/><br/> Sinhala version. 
<br/><br/><label>Dewey Class. No.: </label>X551.588  / CEN