Literature Review in Games and Learning A Report for NESTA Futurelab John Kirriemuir, Ceangal Angela McFarlane, Graduate School of Education, University of Bristol
S. Frizell, and R. Hubscher. Proceedings of World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2002, page 298-304. Chesapeake, VA, AACE, (2002)
Y. Kali, and M. Ronen. Computer support for collaborative learning: The Next 10 Years! Proceedings of CSCL 2005 (Taipei, Taiwan), Mahwah, NJ, Lawrence Erlbaum Associates, (2005)