The day 2011-03-14 on @techczech by Dominik Lukeš · 2011-03-14 RT @techsavvyteach: Tom Vander Ark: Textbook market is almost certain to shrink with open education resource availability #nroc2011 # Powered by Twitter Tools Add a new comment New comments require JavaScript and a GitHub account. Static archive is above.
Add a new comment