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2. 1.2. 3. 3. - 4. 17 / / // / / / // / / / / 5. - 6. - 7. - 8. -- 9. http://praveetelearning.com/elearning_content.php?subject_id=2&chapter_id=18&page=2&page=3 http://www.manager.co.th/Travel/ViewNews.aspx?N ewsID=9560000076593 http://thai.tourismthailand.org/about-tat http://th.wikipedia.org/wiki/