Chosen at random from all the resources listed:
- Practical Systems Thinking by Alan Waring
- MSc Business and Systems Thinking (incorporating PG Cert/PG Dip) by -- Uknown -- -- Uknown --
- Aircraft Systems: Mechanical, Electrical and Avionics Subsystems Integration, 3rd Edition by Allan Seabridge, Ian Moir
- Systems: Concepts, Methodologies and Applications by Brian Wilson
- Principles of Systems by Jay W Forrester