21st century

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21st Century Learning for 21st Century Skills: 7th European Conference of Technology Enhanced Learning, EC-TEL 2012, Saarbrücken
21st Century Learning for 21st Century Skills: 7th European Conference of Technology Enhanced Learning, EC-TEL 2012, Saarbrücken
Richard Noss (auth.) Andrew Ravenscroft Stefanie Lindstaedt Carlos Delgado Kloos