00281nam a2200109 a 450000500170000002000150001708200160003210000150004824500370006326000440010030000270014420251203110259.0 a8120317092 a658.45bKAU aKaul, Asha aEffective business communication aNew DelhibPrentice Hall of Indiac2000 aviii,172p.c22cmcbPB