ISO/IEC-20000-11 Complete Document History
Information technology - Service management - Part 11: Guidance on the relationship between ISO/IEC 20000-1 and service management frameworks: ITIL®

Complete Current Edition:
   2ND EDITION - Part 11: Guidance on the relationship between ISO/IEC 20000-1 and service management frameworks: ITIL® - Aug. 1, 2021

Obsolete Revision Information:
   1ST EDITION - Part 11: Guidance on the relationship between ISO/IEC 20000-1:2011 and service management frameworks: ITIL½ - Dec. 15, 2015