1. ISO/IEC ISO/IEC 15504: Information technology – Process assessment, Parts 1-10. International Organization for Standardization, Geneva (2003, 2012)
2. ISO/IEC 330xx: Information Technology - Process assessment. International Organization for Standardization, Geneva (2013, 2017)
3. ISO/IEC 15504-5: Information Technology – Process assessment – An exemplar software life cycle process assessment model. International Organization for Standardization, Geneva (2012)
4. ISO/IEC 15504-8: Information Technology – Process assessment – An exemplar process assessment model for IT service management. International Organization for Standardization, Geneva (2012)
5. ISO/IEC 33072: TS Information Technology – Process Assessment – Process capability assessment model for information security management. International Organization for Standardization, Geneva (2016)