# Resources

- [COPIM Revenue Models Report,](https://toolkit.openbookcollective.org/books/02-key-resources-and-sources/page/revenue-models-for-open-access-monographs) Definitions
- [Business Models for OA Books](https://toolkit.openbookcollective.org/books/02-key-resources-and-sources/page/business-models-for-open-access-books)
- Elli Gerakopoulou, Izabella Penier, Joe Deville (2021). [The promise of collaboration: collective funding models and the integration of Open Access books into libraries](https://doi.org/10.5281/zenodo.4756894). COPIM. Chapter 3
- Radical Open Acess Collective, [Funding and publication opportunities for Open Acess books](https://radicaloa.disruptivemedia.org.uk/resources/funding-opportunities/)