Y. Kali, R. Levin-Peled, and Y. Dori. Computers in Human Behavior, 25 (5):
1067 - 1078(2009)Including the Special Issue: Design Patterns for Augmenting E-Learning Experiences.
J. Middleton, S. Gorard, C. Taylor, and B. Bannan-Ritland. Handbook of design research methods in education: Innovations in science, technology, engineering, and mathematics learning and teaching, (2008)
M. Roussou, E. Kavalieratou, and M. Doulgeridis. IDC '07: Proceedings of the 6th international conference on Interaction design and children, page 77--80. New York, NY, USA, ACM, (2007)