Front office generic competencies promote products and service to customers D1.HRS.CL1.13 D1.HOT.CL1.10 D2.TCC.CL1.08 Assessor Manual - กรุงเทพมหานคร : Office of the Permanent Secretary, 2015. - 62 หน้า - Front office generic competencies promote products and service to customers Assessor Manual Red Book .

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Public relations--product
Trainee Manual

H0308