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Food & beverage service generic competencies promote products and services to customer D1.HRS.CL1.13 D1.HOT.CL1.10 D2.TCC.CL1.08 Assessor Manual

กรุงเทพมหานคร : Office of the permanent secretary ministry of tourism and sports, 2015 . 62 หน้า 9786162971617

Bangkok : Office of the permanent secretary ministry of tourism and sports, 2015 . 150 p 9786162971792

Bangkok : Office of the permanent secretary ministry of tourism and sports, 2015 . 274 p 9786162971686