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Aroyo, L., Stoyanov, S. & Kommers, P. (1999). Agent-Based Instructional Design Model for Cognitive Mapping. In B. Collis & R. Oliver (Eds.), Proceedings of ED-MEDIA 1999--World Conference on Educational Multimedia, Hypermedia & Telecommunications (pp. 482-487). Seattle, WA USA: Association for the Advancement of Computing in Education (AACE).