Seminar on tourism statistics in the countries of central and eastern Europe, Prague, 28-30 Jan. 1992 / org. World Tourism Organization
COTA(S): 6680
Sustainable development of ecotourism : a compilation of good practices / World Tourism Organization
COTA(S): 8602
Structures and budegts of National Tourism Organizations, 2004-2005 / World Tourism Organization
COTA(S): 11310