https://demo.openeclass.org/courses/DEMO-A2018/ΑνακοινώσειςMon, 24 Jan 2022 13:11:47 +0300elhttps://demo.openeclass.org/modules/announcements/index.php?an_id=2172&course=DEMO-A2018<p>The duration of the course is 60 minutes.</p>Mon, 24 Jan 2022 13:11:47 +0300Mon, 24 Jan 2022 13:11:47 +03002172