1. Ananda, J., & Herath, G. (2003). Use of analytic hierarchy process to incorporate stakeholder preferences into regional forest planning. Forest Policy and Economics, 5(1), 13–26.
2. Anomasiri, W. (2004). Eastern philosophy of ecotourism management model in Mae Son Province. Thailand: Master Thesis, Technology of Environmental Management, Faculty of Graduate Studies, Mahidol University, Bangkok, Thailand.
3. Babaie-Kafaky, S., Mataji, A., & Ahmadi-Sani, A. (2009). Ecological capability assessment for multiple-use in forest areas using GIS-based multiple criteria decision making approach. American Journal of Environmental Sciences, 5, 714–721.
4. Balli, A., Monavari, M., Riazi, B., Khorasani, N., & Kheirkhah Zarkesh, M. (2015). A spatial decision support system for ecotourism development in Caspian Hyrcanian mixed forests ecoregion. Boletim de Ciências Geodesicas, sec Artigos, Curitiba, 21(2), 340–353.
5. Barzekar, G., Aziz, A., Mariapan, M., Ismail, M. H., & Hosseni, S. M. (2011). Delphi technique for generating criteria and indicators in monitoring ecotourism sustainability in Northern forests of Iran: case study on Dohezar and Sehezar Watersheds. Folia Forestalia Polonica Series, 53(2), 130–141.