00309    a2200121   450000100040000000500170000408200250002110000180004624500680006426400280013230000190016052600080017954520260413111230.0  aCD 658.81 S1637 20151 a3G E-Learning  aSales distribution and supply chain management /c3G E-Learning 1a b3G E-Learning;c2015  a1 Compact disc  aNPM