books.google.com - Peter F. Drucker discusses how the new paradigms of management have changed and will continue to change our basic assumptions about the practices and principles of management. Forward-looking and forward-thinking, Management Challenges for the 21st Century combines the broad knowledge, wide practical...http://books.google.com/books/about/MANAGEMENT_CHALLENGES_for_the_21st_Centu.html?id=Twzg3SwvBTAC&utm_source=gb-gplus-shareMANAGEMENT CHALLENGES for the 21st Century