@inproceedings{VS-Games-2011-VosinakisKZ,
	author        = "Spyros Vosinakis and Panayiotis Koutsabasis and Panagiotis Zaharias",
	booktitle     = "{Proceedings of the Third International Conference on Games and Virtual Worlds for Serious Applications}",
	doi           = "10.1109/VS-GAMES.2011.22",
	isbn          = "978-1-4577-0316-4",
	pages         = "112--119",
	publisher     = "{IEEE Computer Society}",
	title         = "{An Exploratory Study of Problem-Based Learning in Virtual Worlds}",
	year          = 2011,
}