@inproceedings{HIMI-II-2009-LiuZL,
	author        = "Na Liu and Yingqin Zhong and John Lim",
	booktitle     = "{Proceedings of the Symposium on Human Interface and the Management of Information. Part II: Information and Interaction}",
	doi           = "10.1007/978-3-642-02559-4_71",
	isbn          = "978-3-642-02558-7",
	pages         = "650--659",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{An Empirical Investigation on the Effectiveness of Virtual Learning Environment in Supporting Collaborative Learning: A System Design Perspective}",
	volume        = 5618,
	year          = 2009,
}