Cleveland-Innes, M., R. McGreal, T. Anderson, N. Friesen, M. Ally, T. Tin, R. Graham, S. Moisey, A. Petrinjak, and S. Schafer. “The Athabasca University EduSource Project: Building an Accessible Learning Object Repository”. Australasian Journal of Educational Technology, vol. 21, no. 3, Oct. 2005, doi:10.14742/ajet.1326.