00406nam a2200145 a 450000500170000000800410001704100080005808200110006610000180007724500710009526400390016630000110020565000270021670000170024320260717090931.0260717s1977    ii            000 0 eng d  aeng04a651.751 aDoctor, Rhoda10aPrinciples and practice of business communication /cDoctor, Rhoda 1aBombay :bSheth Publishers,c1977.  a449 p. 4aBusiness communication1 aDoctor, Aspi