Chosen at random from all the resources listed:
- Soft Systems Methodology in Action by Jim Scholes, Peter B. Checkland
- Systems Architecting: Creating & Building Complex Systems by E.R. Rechtin
- Introduction to Systems Engineering by Andrew P. Sage, James E. Armstrong
- Managerial Applications of System Dynamics by Edward B Roberts
- Introduction to Radar Systems - Third Edition by Merill Ivan Skolnik