1. Abowd, G., Dey, A., Brown, P., Davies, N., Smith, M., & Steggles, P. (1999). Towards a better understanding of context and context-awareness. HUC ’99 Proceedings of the 1st international symposium on handheld and ubiquitous computing, Karlsruhe, Germany, pp. 304–307.
2. Alnuaim, A., Caleb-Soly, P., & Perry, C. (2012). Location-based mobile learning for higher education students—devloping an application to support critical thinking. Proceedings of the 11th international conference on mobile and contextual Learning 2012, Helsinki, Finland.
3. Barkhuus, L., & Dey, A. (2003). Is context-aware computing taking control away from the user? Three levels of interactivity examined. Proceedings of UbiComp 2003, Seattle, Washington, pp. 150–156.
4. Benyon, D. (2010). Designing interactive systems (2nd ed.). Reading: Addison-Wesley.
5. Bhaskar, N., & Govindarajulu, P. (2010). Advanced and effective learning in context aware and adaptive mobile learning scenarios. International Journal of Interactive Mobile Technologies, 4(1), 9–13.