1. Zichermann, G., Cunningham, C.: Gamification by Design: Implementing Game Mechanics in Web and Mobile Apps. O’Reilly Media, Sebastopol (2011)
2. Lee, J.J., Hammer, J.: Gamification in Education: What, How, Why Bother? Academic Exchange Quarterly 15(2) (2011)
3. Di Bitonto, P., Di Tria, F., Roselli, T., Rossano, V., Berni, F.: Distance Education and Social Learning in e-Health. International Journal of Information and Education Technology 4(1), 71–75 (2014)
4. Berni, F., Corriero, N., Pesare, E., Rossano, V., Roselli, T.: A Knowledge Management Service for e-health. In: ICERI 2013 Proceedings, pp. 488–493 (2013) ISBN: 978-84-616-3847-5
5. Corriero, N., Di Bitonto, P., Roselli, T., Rossano, V., Pesare, E.: Simulations of clinical cases for learning in e-health. International Journal of Information and Education Technology, International Conference on Information and Education Technology (ICIET) (January 2-3, 2014)