I would like to thank Silpakorn University International College to provide the effective program and good environment to me to complete my master degree.
In addition, I am grateful for The St. Regis Bangkok which gives me a good opportunity to have the best experience in sale and marketing department especially Khun Jittrawadee Tangtrakul who take me in one of the best hotel in the world and also thanks for Khun Pongsanguan Jiradechakul to train me to be one of the efficient person in marketing filed and support me for information in this BIP.
Finally, I most gratefully acknowledge my parents and my friends for all their support throughout the period of this resea