1. The history of the video game;Maillet,2005
2. Flow: The Psychology of Optimal Experience;Csíkszentmihályi,1990
3. GameFlow: a model for evaluating player enjoyment in games;Sweetser;Comput. Entertain.,2005
4. Flow in games (and everything else);Chen;Commun. ACM.,2007
5. Game Usability: Advancing the Player Experience;Isbister,2008