@inproceedings{EDM-2015-JedrzejewskiBOZ,
	author        = "Krzysztof Jedrzejewski and Mikolaj Bogucki and Mikolaj Olszewski and Jan Zwolinski and Kacper Lodzikowski",
	booktitle     = "{Proceedings of the Eighth International Conference on Educational Data Mining}",
	ee            = "http://www.educationaldatamining.org/EDM2015/proceedings/poster568-569.pdf",
	isbn          = "978-8-4606-9425-0",
	pages         = "568--569",
	publisher     = "{International Educational Data Mining Society}",
	title         = "{Teacher and Learner Behaviour in an Online EFL Workbook}",
	year          = 2015,
}