Chair: Hermae Aquines  Sumeth Junsuthonpoj, Dusit Thani College, Thailand Using an Extended Theory Of Planned Behaviour to Explore a Behaviour Towards Food Waste of Bangkok Youths  Visawat Roswarn, Dusit Thani College, Thailand Using Data Mining Technique to Predict International Tourists’ Satisfaction towards Bangkok Street Food  Kananurack Phiriyachat et al.Dusit Thani College, Thailand Service Quality in Thailand 4.0  Jenasama Srihirun and Sasiphatr Pitirote, Dusit Thani College, Thailand EMBOK’s Conceptual Design model for Special Events in Gracious Hospitality in Thai context