De Alwis, A. <br/><br/>
A preliminary survey on some socio economic aspects of  the human communities of Maha-Oya, Kelani Ganga and Bolgoda/Panadura estuaries of Sri Lanka 

 - Colombo 15 :  NARA,  1986-1987 
 - p.34-45 
 - Journal of  the National Aquatic Resources Agency, Sri Lanka  ; Vol. 33-34 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic Sciences