2021DIN ISO 21500:2021-12 Project, programme and portfolio management - Context and concepts (ISO 21500:2021); Text in German and English / Note: Date of issue 2021-10-29*Intended as replacement for DIN ISO 21500 (2016-02).
2016DIN ISO 21500:2016-02 Guidance on project management (ISO 21500:2012) / Note: To be replaced by DIN ISO 21500 (2021-12).