1. Impacts Positive and Negative: Links Between Ecotourism and Environment,2004
2. Review about Ecotourism Environmental Education Abroad;Li;Tour. Trib.,2009
3. Ecotourism-related products and activities, and the economic sustainability of small and medium island chalets;Jaafar;Tour. Manag.,2012
4. Investigation and Analysis on Situation of Ecotourism Development in Protected Areas of China;Zhong;Acta Ecol. Sinica,2011
5. National Ecotourism Plan: Assessing Implementation of the Guidelines for Marine Parkshttp://www.mima.gov.myon