- Open Education 2030: Contribution to the JRC-IPTS Call for Vision Papers. Part I: Lifelong Learning [архив в WebCite]
- Open Education 2030: Contribution to the JRC-IPTS Call for Vision Papers. Part II: School Education [архив в WebCite]
- Open Education 2030: Contribution to the JRC-IPTS Call for Vision Papers. Part III: Higher Education [архив в WebCite]