Browsing by Author "Ratnayake, H.D."
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Item Plant invasions a threat to Lanka's biodiversity(1996-04-05) Ekanayake, S.P.; Ratnayake, H.D.Item Plant invasions a threat to Lanka's biodiversity(1996-04-05) Ekanayake, S.P.; Ratnayake, H.D.Item Plant invasions a threat to Lanka's biodiversity:the mechanism of invasion(1996-04-06) Ekanayake, S.P.; Ratnayake, H.D.Item Plant invasions a threat to Lanka's biodiversity:the mechanism of invasion(1996-04-06) Ekanayake, S.P.; Ratnayake, H.D.