1. Tabuenca, B.: Ubiquitous Technology For Lifelong Learners. Open Universiteit, Welten Institute, Research Centre for Learning, Teaching and Technology. Doctoral thesis, Heerlen, The Netherlands. Available at http://hdl.handle.net/1820/6050 (2015)
2. Johnson, L., Adams Becker, S., Estrada, V., Freeman, A.: NMC Horizon Report: 2015 K-12 Edition. Austin (2015)
3. Gartner: Gartner identifies the top 10 strategic technology trends for 2016. Press release, Orlando. Available at http://www.gartner.com/newsroom/id/3143521 (2015)
4. Tabuenca, B., Ternier, S., Specht, M.: Supporting lifelong learners to build personal learning ecologies in daily physical spaces. Int. J. Mob. Learn. Organ. 7, 177–196 (2013)
5. Tabuenca, B., Kalz, M., Specht, M.: Lifelong learning hub: a seamless tracking tool for mobile learning. In: EC-TEL’14 Proceedings of the 9th European Conference on Technology Enhanced Learning, pp. 1–4. Springer International Publishing, Graz (2014)