Τηλεκπαίδευση

Click http://el.wikipedia.org/wiki/%CE%A1%CE%B1%CE%B4%CE%B9%CE%BF%CE%BA%CF%8D%CE%BC%CE%B1%CF%84%CE%B1#.CE.96.CF.8E.CE.BD.CE.B5.CF.82_.CF.83.CF.85.CF.87.CE.BD.CE.BF.CF.84.CE.AE.CF.84.CF.89.CE.BD_.CE.BA.CE.B1.CF.84.CE.AC_ITU link to open resource.