@inproceedings{DiGRA-2011-RengS,
	author        = "Lars Reng and Henrik Schoenau-Fog",
	booktitle     = "{Proceedings of the Sixth DiGRA International Conference: Think, Design, Play}",
	ee            = "http://www.digra.org/digital-library/publications/problem-based-game-design-engaging-students-by-innovation/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Problem Based Game Design - Engaging Students by Innovation}",
	year          = 2011,
}