De Silva R.H.S.K, Kumari M.W.S.J. Analytical Study on Trends towards Ecotourism and Importance of Ayurvedic principles: A case study, Abstract Book, Page 72, Published and Presented 3rd International Conference on Ayurveda & Complementary System of medicine, Organised by the Tathagata Ayurveda Research Foundation, Pune, India in Collaboration with Ministry of Tourism Sri Lanka (17.08.2009.)