00281nam a2200121Ia 4500000002500000008004100025020001800066100001100084245003300095250000900128260001000137856001200147     nam a22     7a 4500231229s9999    xx            000 0 und d  a9781801811484  aPowell 0aMastering Microsoft Power B1  a2022  aPackt  3AI & DS