00299nam a22001217a 4500020001800000082001800018100003900036245002700075250000600102260003400108300000800142650002700150  a9780198077053  a658.45bRAM/B  aRaman, Meenakshi aSingh, Prakash   aBusiness communication  a2  bOxford University Pressc2012  a650  aBusiness communication