00346nam a2200121Ia 4500008004100000020001800041040002500059082001700084100001900101245006100120260003300181300001000214240301s9999 xx 000 0 und d a9781680956368 aNORSU-BaycNORSU-Bay a338.4791 A77 a3G E-Learning  0aAutomation in Tourism Industry, Airlines and Hospitality aUSAb3G E-learning LLCc2017 a222p.