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ISO/IEC 20000-1:2018 official pdf copy licensed for 1 user
£ 216.70 GBP
ISO/IEC 20000-1:2018 Information technology — Service management — Part 1: Service management system requirements
£ 216.70 GBP
ISO/IEC 20000-1:2018 Information technology — Service management — Part 1: Service management system requirements