Costello, Eamon, Tom Farrelly, and Tony Murphy. “Open and Shut: Open Access in Hybrid Educational Technology Journals 2010 – 2017”. The International Review of Research in Open and Distributed Learning 21, no. 1 (January 1, 2020): 113–134. Accessed April 25, 2024. https://www.irrodl.org/index.php/irrodl/article/view/4383.