1. K.C. Anup, Ecotourism and its Role in Sustainable Development in Nepal. INTECH Open Science, (2016) pp. 31–59
2. Ecotourism in wetland ecology;Das;Anatolia: Int. J. Tour. Hosp. Res.,2009
3. P. Irina-Ramona, Ecotourism and Sustainable Development. Annals of the ‘Constantin Brancusi’ University of Targu Jiu', Enginnering Series, No. 3 (2016).
4. Ecotourism – the good, the bad and the ugly;Figgis,1995
5. Bushell, R. (2001). The Place of Ecotourism with Particular Reference to Australia. UWS, H. pp. 1–20