Chosen at random from all the resources listed:
- Management Systems: A Viable Approach by Maurice Yolles
- T552_1 Systems Diagramming - OpenLearn by -- Uknown -- -- Uknown --
- Rethinking the Fifth Discipline by Robert L. Flood
- Methodology for Large Scale Systems by Andrew P. Sage
- T551_1 Systems Thinking and Practice by -- Uknown -- -- Uknown --