Affiliation
- InTechOpen2
- Johns Hopkins University2
- OAPEN (Open Access Publishing in European Networks) Foundation2
- Open Textbook Library2
- Rice University2
- Stanford University2
- University of Arkansas2
- University of Guelph2
- University of Minnesota2
- University of Missouri–St. Louis2
- University of Oklahoma2
- University of Oxford2
- University of Victoria2
- Washington State University2
- Ivy Tech State College1
- Aims Community College1
- Arapahoe Community College1
- Arizona State University1
- BBC1
- Bainbridge State College1