2,330 followers Ralf Klamma @klamma Aphasics' Communities Learning on the Web https://t.co/RammJ4gv9Z 20 Apr 2016 Reply Repost Favourite
2,330 followers Ralf Klamma @klamma Aphasics' Communities Learning on the Web https://t.co/RammJ4gv9Z 03 Feb 2016 Reply Repost Favourite