Publication Year
2006
Kambona, O.O.; Stadel, C.
Sustainable Tourism II, (Brebbia, C.A.; Pineda, F.D.V., Eds). Wessex Institute of Technology, Transactions on Ecology and the Environment–eLibrary: www.witpress.com. ISBN: 1-84564-044-6; ISSN: 1746-448X-print, ISSN: 1743-3541-online, Section 4, pp139-149.