Drachsler, H., Rutledge, L., van Rosmalen, P., Hummel, H., Pecceu, D., Arts, T., … Koper, R. (2010). ReMashed - An Usability Study of a Recommender System for Mash-Ups for Learning. International Journal of Emerging Technologies in Learning (iJET), 5(SI1), pp. 7–11. https://doi.org/10.3991/ijet.v5iSI1.1191