Reference
Kalafatis, S.P, (2003),Can Hypermedia Aided Learning (HAL) Deliver?, International Journal of Instructional Media, Retrieved September 12, 2004 from: http://www.highbeam.com/library/doc3.asp?DOCID=1G1:107800999&num=20&ctrlInfo=Round7%3AProd%3ASR%3AResult&ao=