00000cam a22000004a 4500 UP-8027390931313659336 Buklod 20070912124726.0 m |o d | ta 040108s1990 xx |||| r |||| u| d 0070055807 (iLib)UPVIS-00000036879 HF5549 B52 1990 Bittel, Lester R. What every supervisor should know Lester R. Bittel. 6th ed. New York McGraw-Hill Publishing Co. c1990. 582 p. Personnel management. Supervision of employees. UPVIS UPV-CML HF5549 .B52 1990 Book