Front office functional competencies receive and place incoming telephone calls D1.HFO.CL2.09 Assessor Manual Telephone operator - กรุงเทพมหานคร : Office of the permanent secretary ministry of tourism and sports, 2015. - 54 หน้า - Front office functional competencies receive and place incoming telephone calls Assessor Manual Dark Pink Book .

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Communications
Telecommunication
Office of the permanent secretary ministry of tourism and sports

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