https://i0.wp.com/www.schieb.de/wp-content/uploads/2018/01/powerpoint-umfrage-participoll.jpg?fit=1600%2C1200&ssl=112001600J.M. Rütterhttps://www.schieb.de/wp-content/uploads/2020/05/logo_jschieb_340x156_trans.pngJ.M. Rütter2018-01-14 22:13:392018-01-14 22:13:39Live-Umfrage in einer PowerPoint-Präsentation
