00277nam a2200097Ia 4500008004100000020001800041040002500059082002700084245004400111260002400155240807s9999    xx            000 0 und d  a9781984623133  aNORSU-DumcNORSU-Dum  aRes/647.94068/H19/2019 0a3G handy guide: front office operations  b3G E-Learningc2019