Two organisations on the same level that merge together, for example Thomas Cook and Going Places. They both own travel agents, hotels, airlines ect, therefore they're on the same level.
World Tourism Organization [WTO]
World tours
Tourism is travel for leisure or business purposes. The World Tourism Organization defines tourist as people who "travel to and stay in places outside their usual environment for more than 24 hours and less then 1 consecutive year."
transfer know how to developing contries facilitate world travel
Some of these organization described below: 1. The United States Travel Data Center (USTDC) 2. Travel Industry Association of America (TIAA) 3. Travel and Tourism Research Association (TTRA) 4. American Society of Travel Agents (ASTA) 5. Universal Federation of Travel Agents Association (UFTAA) 6. World Association for Professional Training in Tourism (WAPTT) 7. Council on Hotel, Restaurant, and Institutional Education (CHRIE) 8. Association of Travel Marketing Executives (ATME) 9. The Society of Travel and Tourism Educators (SOTTE)
That is a pretty open ended question. I guess tourism encompasses a lot of things. Top Places had a very good blog article which I can find but you can search it on their home website.
Korea Tourism Organization was created in 1962.
World Tourism Organization was created in 1974.
function of caribbean tourism organization
Greek National Tourism Organization was created in 1927.
Philippine tourism authority
the realionship between the organisation in the travel and tourism.