1. Finnish Government: Regional government, health and social services reform (2017).
https://alueuudistus.fi/en/general-information-reform
2. The International Foundation for Digital Competences: VeriSMTM - a service management approach for the digital age. Van Haren (2017)
3. The Open Group: The TOGAF® Standard, Version 9.2 (2018).
http://pubs.open-group.org/architecture/togaf9-doc/arch/index.html
4. The International Organization for Standardization: ISO 13053-2:2011(en) quantitative methods in process improvement—Six Sigma—part 2: tools and techniques (2011).
https://www.iso.org/obp/ui/#iso:std:iso:13053:-2:ed-1:v1:en
5. The International Organization for Standardization, the International Electrotechnical Commission: ISO/IEC 26551:2016(en) software and systems engineering—tools and methods for product line requirements engineering (2016).
https://www.iso.org/obp/ui#iso:std:iso-iec:26551:ed-2:v1:en