Tourism 2020 vision : Africa / World Tourism Organization
COTA(S): 8341-I
Domestic Tourism in Asia and the Pacific / World Tourism Organization (UNWTO)
COTA(S): 14375; 14375-Dg
Making tourism more sustainable : A guide for policy makers / United Nations Environment Programme, World Tourism Organization
COTA(S): 15659; 15659-Dg
Air Connectivity and its Impact on Tourism in Asia and the Pacific / World Tourism Organization (UNWTO)
COTA(S): 16324; 16324-Dg
Future Challenges for Cultural Tourism : Saint Petersburg, Russian Federation, 5 October 2002
COTA(S): 17778