The Ornamental Aquatic Plant in Sri Lanka
De Alvis, Ajantha
The Ornamental Aquatic Plant in Sri Lanka ශ්රී ලංකාවේ විසිතුරු ජලජ ශාක - Sri Lanka, University of Jayawardenapura, - 7p.
The Ornamental Aquatic Plant in Sri Lanka ශ්රී ලංකාවේ විසිතුරු ජලජ ශාක - Sri Lanka, University of Jayawardenapura, - 7p.