00279nam a2200109Ia 4500008004100000040002500041082001600066100001800082245005200100260000900152300000800161230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a006.7 Il688  a3G E-Learning 0aIllustrated Handbook of Web Technology & Design  c2018  a342