00278nam a2200109 a 450000500170000002000150001708200170003210000320004924500340008126000340011530000190014920251203091102.0  a0074518682  a651,bD, rao  aRao, V.S.P., Narayana, P.S.  aTextbook of office management  aDelhibTata McGraw-Hillc1987  axv, 480p, 22cm