@inproceedings{ITiCSE-2003-Xinogalos,
	author        = "Stelios Xinogalos",
	booktitle     = "{Proceedings of the Eighth Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/961511.961590",
	isbn          = "1-58113-672-2",
	pages         = "233",
	publisher     = "{ACM}",
	title         = "{objectKarel: a didactic microworld for teaching object-oriented programming}",
	year          = 2003,
}