Chair: Kanjana Hannon  Nutrada Maimala, Phranakhon Si Ayutthaya Rajabhat University, Thailand Service Marketing Mix Affecting to Gastronomic Tourism Motivation in Ayutthaya, Thailand  Kawinpob Saiphet and Sorapol Khattiyasuwan, Phranakhon Si Ayutthaya Rajabhat University, Thailand Relationship Among Visitors’ Demographic Characteristic, Spa Service Quality and Spa Purchasing Decision in Ayutthaya Province  Thanawan Sittithai, Phetchaburi Rajbhat University, Thailand, The Model Development of Spa Business in Thailand to Create the Competitiveness in AEC,  Florence Anjali Garin and Tatiyaporn Jarumaneerat, Prince of Songkla University, Thailand Awareness and Implementation of Green Practices in the Meetings-, Incentives-, Conventions- and Exhibitions- (MICE) industry: The Case of Phuket, Thailand