000 00298nam a2200121Ia 4500
100 _aLeffingwell, William H & Robinson, Edwin M
250 _a3rd ed
942 _cBK
245 _aTextbook of office management
260 _aTata McGraw Hill, New Delhi
_c1950
082 _a651 Lef
300 _axiv,649
999 _c1812
_d1812