Towards Measuring the Economic Value of Wildlife Watching Tourism in Africa – Briefing Paper / World Tourism Organization (UNWTO)
COTA(S): 16330-Dg
Air Connectivity and its Impact on Tourism in Asia and the Pacific / World Tourism Organization (UNWTO)
COTA(S): 16324; 16324-Dg
Making tourism more sustainable : A guide for policy makers / United Nations Environment Programme, World Tourism Organization
COTA(S): 15659; 15659-Dg
Budgets & marketing plans of National tourism administrations / World Tourism Organization
COTA(S): 14701