[1]
Hendricks, C., Reinsberg, S.A. and Rieger, G.W. 2017. The Adoption of an Open Textbook in a Large Physics Course: An Analysis of Cost, Outcomes, Use, and Perceptions. The International Review of Research in Open and Distributed Learning. 18, 4 (Jun. 2017). DOI:https://doi.org/10.19173/irrodl.v18i4.3006.