PD ISO/IEC TS 20000-11:2021 Information technology. Service management. Guidance on the relationship between ISO/IEC 20000-1 and service management frameworks: ITIL®
2021PD ISO/IEC TS 20000-11:2021 Information technology. Service management. Guidance on the relationship between ISO/IEC 20000-1 and service management frameworks: ITIL®