1. Abdul Jabbar, Azita Ilia, and Patrick Felicia. 2015. Gameplay engagement and rearning in game-based learning: A systematic review. Review of educational research 85 (4): 740–779.
2. Abt, Clark.C. 1969. Serious Games. New York: Viking Press.
3. Adams, Ernest, and Andrew Rollings. 2007. Fundamentals of game design. Upper Saddle River: Pearson Education Inc.
4. Ampatzidou, Cristina, Matthijs Bouw, Froukje van de Klundert, Michiel de Lange, and Martijn de Waal. 2015. The hackable city: A research manifesto and design toolkit. Amsterdam: Amsterdam Creative Industries Publishing.
5. Baterman, Chris, and Richard Boon. 2006. 21st Century game design. Boston: Charles River Media.