Cengage Learning. (2016). Open Education Resources (OER) and the evolving higher education landscape. Retrieved from http://assets.cengage.com/pdf/wp_oer-evolving-higher-ed-landscape.pdf.
A survey by Cengage Learning of OER users, traditional textbook users and industry expects indicated that OER could make up 12 percent of the textbook market within five years, and that 77.5 percent of faculty would consider using OER within three years.