000			00570ntaaa2200205 4500
003			01
005			20251027202731.0
008			0714s1973 ag 01
040			_aAR-BaBN _bspa _cAR-BaBN _eaacr _dRIC
082			_a651.0000 L52
100			_aLeffingwell, William H _927248
245			_aTextbook of office management
250			_a3 ed.
260			_aNew York : _bMcGraw-Hill Book Company, _cc1950
300			_axiv, 649 p
650			_aadministración oficina _927249
650			_aoficina-administración _927250
700			_aRobinson, Edwin M _927251
942			_cBK
999			_c22570 _d22570