7Aleksander Dye et al:Mobile Education-A Glance at The Future[EB/OL], http://www.nettskolen.com/forskni-ng/mobile_education.pdf
8Sariola J.:What are the limits of academic teaching? -In search of the opportunities of mobile learning[EB/OL], http://ok.helsinki.fi/tekstit/article.rtf
9Waycott J.:An Investigation into the Use of Mobile Computing Devices as Tools for Supporting Learning and Workplace Activities,5th Human Centred Technol-ogy Postgraduate Workshop (HCT-2001) [EB/OL], http://www.cogs.susx.ac.uk/lab/hct/hctw2001/papers/ waycott.pdf
10Waycott J.,Scanlon E.,Jones A.:Evaluating the Use of PDAs as Learning and Workplace Tools:An Activity Theory Perspective[C] ,Proceedings of the European Workshop on Mobile and Contextual Learning , Birm-ingham,UK,June 2002: 34-35