TY - BOOK AU - :Checkland Peter TI - Systems thinking, systems practice : includes a 30-year retrospective SN - 9780471986065 U1 - 005 CHE PY - 1999/// CY - Chichester PB - John Wiley N1 - The subject of Systems, Science as a Human Activity: Its History and its Method; Science and the Systems Movement; Some Systems Thinking; The Development of "Soft" Systems Thinking; The Systems Methodology in Action; Implications of Sytems Practice for Systems Thinking; includes index, glossary, bibliography; Peter Checkland; Systems thinking, systems practice : includes a 30-year retrospective ER -