There are four types of International Tourism organisations. Identify the correct order in which they were established

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1. World Tourism Organization (WTO)
2. United Nations World Tourism Organization (UNWTO)
3. Pacific Asia Travel Association (PATA)
4. International Air Transport Association (IATA)

Correct order: 1. World Tourism Organization (WTO); 2. United Nations World Tourism Organization (UNWTO); 3. Pacific Asia Travel Association (PATA); 4. International Air Transport Association (IATA).