Chosen at random from all the resources listed:
- T553_1 Systems Modelling by -- Uknown -- -- Uknown --
- Systems Engineering: An Approach to Information-Based Design by George A. Hazelrigg
- Thinking in Systems: A Primer by Donella H Meadows
- Systems Thinking, Systems Practice by Peter B. Checkland
- Mastering Project Management: Applying Advanced Concepts of Systems Thinking, Control and Evaluation by H. Kerzner