N. Herbert. ACE '07: Proceedings of the ninth Australasian conference on Computing education, Seite 63--71. Darlinghurst, Australia, Australia, Australian Computer Society, Inc., (2007)
E. Gouli, A. Gogoulou, und M. Grigoriadou. Proceedings of the ED-MEDIA 2006, World Conference on Educational Multimedia, Hypermedia & Telecommunications, (2006)