00311nam a2200121Ia 45000030006000000080041000060400015000471000036000622450053000982600009001515460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBhushan, V.K.; Ashok Mittal, K.  aSecretarial practice and office management Vol-I  c1971  aEnglish20220125170532.0