00337nam a2200133Ia 4500008004100000041000800041082001200049100001900061245002800080250001500108260003800123300003300161365000900194240624s9999    xx            000 0 und d  aeng  a330 ARN  aARNOLD ROGER A  aPRINCIPLES OF ECONOMICS  a(10th ed.)  c2011aAustraliabCengage Learning  axxxii, : 856 : p. : cm. ; 25  cb25