Hilton III, John Levi, Donna Gaudet, Phil Clark, Jared Robinson, and David Wiley. “The Adoption of Open Educational Resources by One Community College Math Department”. The International Review of Research in Open and Distributed Learning 14, no. 4 (August 28, 2013). Accessed August 13, 2022. https://www.irrodl.org/index.php/irrodl/article/view/1523.