The rise of game id updated
20140424 XING mittagXperten Games and Gamification - Safak Korkut
From Games to Change: Full Indie Summit presentation Aug 9 2014
Games, Design, and Living well - Dave Dubin
Free Hugs — Praising developers for their actions [ICSE2015]
Gamification - Engineering happiness
Emotion in Games CameraReady
Open Access & University of Florida Institutional Repository Stephanie Haas Matthew C. Mariner 25 April 2007.