00301nam a2200109Ia 4500008004100000040002500041082002200066100002400088245006200112260000900174300000800183230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a338.47910688 B167  aBajao, Grayfield t. 0aOperations Management in Hospitality and Tourism Business  c2021  a207