TY - BOOK AU - DRUCKER Peter F TI - Management challenges for the 21st century SN - 9780750685092 (pbk) : PY - 2007/// CY - London PB - Butterworth Heinemann KW - MANAGEMENT KW - LEADERSHIP N1 - Originally published London : Heinemann,1999 N2 - This is a forward looking guide to management in the 21st century which covers strategy, leadership, the challenges posed by information, productivity of knowledge workers, and the overriding quality of being able to manage oneself ER -