Chosen at random from all the resources listed:
- Systems Thinking : Managing Chaos and Complexity by Jamshid Gharajedaghi
- System Analysis, Design, and Development: Concepts, Principles, and Practices by Charles S Wasson
- System Requirements Analysis by Jeffrey O Grady
- Modelling for Learning Organisations by John D. Sterman, John Morecroft
- Putting Systems to Work by Derek K. Hitchins