00337nam a2200121Ia 4500008004100000040002500041082002000066100002500086245003700111250002100148260003800169300000800207230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a650.015'13 B12   a Bacani,  Alberto C. 0aElements of business mathematics  aRevised Edition   bGIC Enterprises & Co., Inc.c1980  a231