00433nam a2200145Ia 4500008004100000100001600041245007900057245001600136260005900152260000900211300000800220650001800228650001500246856002600261170221s9999 xx 000 0 und d aFahme Dabaj aAnalysis of Communication Barriers to Distance Education: A Review Study  cFahme Dabaj bOnline Journal of Communication and Media Technologies c2015 a5 : xCommunication xMedia Arts uhttp://www.ojcmt.net/