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Continue to ChatOnTour: Tablets in Kölner Schulen, 25.3.15 https://andrespang.de/2015/03/25/ontour-tablets-in-koelner-schulen-25-3-15/
OnTour: Tablets in Kölner Schulen, 25.3.15 https://andrespang.de/2015/03/25/ontour-tablets-in-koelner-schulen-25-3-15/