@inproceedings{FDG-2009-GibsonG,
	author        = "David C. Gibson and Susan Grasso",
	booktitle     = "{Proceedings of the Fourth International Conference on Foundations of Digital Games}",
	doi           = "10.1145/1536513.1536563",
	isbn          = "978-1-60558-437-9",
	pages         = "285--290",
	publisher     = "{ACM}",
	title         = "{Online recruitment and engagement of students in game and simulation-based STEM learning}",
	year          = 2009,
}