Chosen at random from all the resources listed:
- Rethinking the Fifth Discipline by Robert L. Flood
- UML for Systems Engineering (Second Edition) by Jon Holt
- The Art of Systems Architecting by E.R. Rechtin, M.W. Maier
- Modelling for Learning Organisations by John D. Sterman, John Morecroft
- Systems Thinking Basics : From Concepts to Causal Loops by Virginia Anderson