Priyadarshana, D. G. Tilak Biology and Water Quality of Three Lagoons in Southern Sri Lanka with Special Reference to Anthropogenic Impacts - (102) - Matara D. G. Tilak Priyadarshana 1998 - vii,133 p. Subjects--Topical Terms: LAGOON ECOSYSTEMPOST GRADUATE THESIS ENGLISHTHESISWATER QUALITY ANALYSIS