1. Gartner, Inc. Gartner Report: Market Share - Devices, All Countries, 2016, pp. 1–12.
2. Gartner, Inc. Gartner Report: Market Trends - The Way Forward, 2010, pp. 1–10.
3. The role of trust and deception in virtual societies;Castelfranchi,2001
4. Visual cryptography;Naor,1994
5. Sequential Multiple LSB methods and real-time data hiding: variations for Visual Cryptography ciphers;Papadopoulos;J. Real-Time Image Proc.,2016