Kocher, Megan, and Julie Kelly. “Use of the Paid Open Access Option in Hybrid Open Access Journals in Agriculture: A Mixed-Methods Study”. Issues in Science and Technology Librarianship, no. 85 (December 1, 2016). Accessed May 9, 2021. https://journals.library.ualberta.ca/istl/index.php/istl/article/view/1690.