The International Ecotourism Society (TIES). https://www.ecotourism.org/book/ecotourism-
definition. Accessed July 14, 2015.
Tourism Authority of Thailand (TAT), 1995.http://expo.nectec.or.th/tat/stable/history.html.
Accessed July 14, 2015.
Xinhua. http://news.xinhuanet.com/english2010/china/2011-06/28/c_13952856.htm. Accessed
July 3, 2015.
Websites 87