The Blackwell Encyclopedia of Management and Encyclopedic Dictionaries, The ... - Google Books

http://books.google.de/books?id=OmGLz8ucvjEC&pg=PA110&dq=%22Master+Schedule%22+%22Frozen+Zone%22

The development of new areas such as total quality management (TQM), just in time (JIT), benchmarking and manufacturing strategy has created a new approach and definition of the subject.