Browsing by Author "Abeywickrema, B.A."
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Item The MAB programme in Sri Lanka(NARESA:Colombo, 1982) Abeywickrema, B.A.Item The role of plants in man's environment(NARESA:Colombo, 1976) Abeywickrema, B.A.Item A survey of the economic plants of Sri lanka(NARESA:Colombo, 1979) Abeywickrema, B.A.