Publisher RDF
- Cogitatio
- Elsevier BV
- Fundacio per la Universitat Oberta de Catalunya
- Informa UK Limited
- Informa UK Limited
- Informa UK Limited
- Pensoft Publishers
- SAGE Publications
- Springer International Publishing
- Springer Science and Business Media LLC
- TIB Open Publishing
- Walter de Gruyter GmbH
- Wiley
- Wiley
- Wiley
- Wiley