Island tourism in Asia and the Pacific : a report on WTO-UNEP international conference on sustainable tourism in the islands of the Asia-Pacific region / World Tourism Organization
DECRETO-LEI Nº 119/2000
The encyclopedia of ecotourism / David B. Weaver [et al.]
DECLARAÇÃO DE RECTIFICAÇÃO Nº 7-D/2000
Tourisme, environnement, territoires : les indicateurs / Institut Français de l'Environnement