wttc.org | World Travel and Tourism Council |
world-tourism.org | World Tourism Organization (wto) |
tursab.org.tr | Türkiye Seyahat Acentaları Birliği |
ttyd.org.tr | Türkiye Turizm Yatırımcıları Derneği (TYD) |
touristguides-europe.org | European Federation Of Tourist Guide Associations |
pata.org | Pacific Asia Travel Association |
drv.de | Deutscher Reisebüro und Reiseveranstalter Verband e.V. (DRV) |
atlas-euro.org | Association for Tourism and Leisure Education |
astanet.com | American Society of Travel Agents |
abtanet.com | Association of British Travel Agents |