1. Botes, L. and van Rensburg, D. (2000). Community participation in development: Nine plagues and twelve commandments. Community Development Journal, Vol. 35, No. 1, 41-58.
2. Bushell, R. and Eagles, P. F. J., eds. (2006). Tourism and protected areas: Benefits beyond boundaries: The Vth IUCN World Parks Congress. CABI.
3. Cole, S. (2006). Information and empowerment: The keys to achieving sustainable tourism. Journal of sustainable tourism, Vol. 14, No. 6, 629-644.
4. Council of Europe (2001). Common European framework of reference for languages: Learning, teaching, assessment. Cambridge University Press.
5. Japan Tourism Agency (2016). About 2015 white paper on tourism.