I would like to express my sincere thanks to my adviser, Assoc. Prof. Dr. Weerapon Thongma, Dr. Winitra Leelapattana, Mrs. Onjana Sanchai Chantraprayoon, Mrs. Valailada Tavonmongkolkij for invaluable help and constant encouragement throughout the course of this report. I am most grateful for teaching and advice, not only the report methodologies but also many other methodologies in life. I would not have achieved this far and this report would not have been completed without all the support that I have always received from them.
In addition, I am grateful for the teachers of Hotel management at Tainan University of Technology, Dr. Allen Chen and others teachers for suggestions and all their help.
Finally, I most thanks gratefully to my parents, my brother, my relatives who gave me a chance to study abroad. And thanks to the always supportive. and thanks my friends for all their support throughout the period of this report.