00386nam a2200145Ia 4500008004100000020001800041040002500059082003100084082000900115100002000124245004400144250000800188260003600196490000800232240730s9999 xx 000 0 und d a9781680957167 aNORSU-GuicNORSU-Gui aCir.302.231/Le46s/2018/c.1 b4145 a3G E - Learning 0aSocial media internet for everyday life ac.1 aNew Yorkb3G E - Learningc2018 vc.1