Soft systems methodology : a 30-year retrospective ; and, Systems thinking, systems practice

The Subject of Systems. SYSTEMS THINKING--THE SYSTEMS MOVEMENT IN THE CONTEXT OF SCIENCE. Science as a Human Activity: Its History and its Method. Science and the Systems Movement. Some Systems Thinking. SYSTEMS PRACTICE--ACTION RESEARCH TO ESTABLISH THE USE OF SYSTEMS CONCEPTS IN PROBLEM--SOLVING. 'Harda Systems Thinking--The Engineersa Contribution. The Development of 'Softa Systems Thinking. The Systems Methodology in Action. Implications of Systems Practice for Systems Thinking. Appendices. Bibliography. Glossary. Indexes.