000			00307nam a2200109 4500
082			_a651.4 L154t
100			_aLeffingwell, William H.
245			_aTextbook of office management / William H. Leffingwell
260			_aEstados Unidos : McGraw-Hill
300			_a649p. / 25 cm.
650			_a1. OFFICE MANAGEMENT
999			_c24445 _d24445