Mazza, Riccardo and Dimitrova, Vania (2003) Informing The Design of a Course Data Visualisator: an Empirical Study. In: 5th International Conference on New Educational Environments. Lucerne 26-28 May. (ICNEE 2003). Sauerländer Verlage AG, Bern., pp. 215-220. ISBN 3-0345-0096-3