The Freshwater Fauna And Fishers Of Sri Lanka /  English . 
National Science  Resource , Energy & Science Authority Of Sri Lanka , C.H  Fernando . 
 - Colombo :  National Science  Resource , Energy & Science Authority Of Sri Lanka , 
 - iii,443p.:  ill.;  28cm. 
<br/><br/><label>Dewey Class. No.: </label>639.2  / NAT