CITATION STYLE
Drachsler, H., Verbert, K., Manouselis, N., Vuorikari, R., Wolpers, M., & Lindstaedt, S. (2012). Preface [Special issue on dataTEL – Data Supported Research in Technology-Enhanced Learning]. International Journal Technology Enhanced Learning, 4(1/2). Retrieved from http://www.inderscience.com/info/inarticletoc.php?jcode=ijtel&year=2012&vol=4&issue=1/2
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