1. Razalgames: Raven test APK. Android, September 2016
2. Games, E.: Raven IQ test. Android, March 2016
3. Lecture Notes in Computer Science;A Calero Valdez,2015
4. Luyten, K., Coninx, K.: Distributed user interface elements to support smart interaction spaces. In: Seventh IEEE International Symposium on Multimedia, 8 pp. IEEE (2005)
5. Love, S.: Understanding Mobile Human-Computer Interaction. Butterworth-Heinemann, Newton (2005)