@conference {3857,
	title = {The Role of Ownership and Control in Personal Learning Environments: A Cross-Cultural Study},
	booktitle = {Proceedings of the 4th International PLE Conference 2013 Berlin/Melbourne},
	year = {2014},
	author = {Ilona Buchem and Tur, Gemma and Tobias H{\"o}lterhof}
}
