FOOD & BEVERAGE OPERATIONS유페이퍼Jung, Hye Ran / 정혜란
Guest Relation Operation유페이퍼Jung Hye Ran / 정혜란
Front Office Operation유페이퍼Jung, Hye Ran
Principle of Service Managemen...유페이퍼정혜란
Customer Relationship Manageme...유페이퍼정혜란