
CUSTOMER CONTACT CENTRES - PART 1: REQUIREMENTS FOR CUSTOMER CONTACT CENTRES (ISO 18295-1:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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CUSTOMER CONTACT CENTRES - PART 1: REQUIREMENTS FOR CUSTOMER CONTACT CENTRES (ISO 18295-1:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频