List of materials regarding Systems science and System analysis that I have found on the web over the years.
Principles of Expert Systems
Peter J.F. Lucas & Linda C. van der Gaag
Centre for Mathematics and Computer Science,
Amsterdam, published in 1991 by Addison-Wesley
Analyst’s Pendulum (Systems)
A Concept From General Systems Theory That All Analysts Should Understand
by Jay Kreps
I found the reference to this article when reading a book: Kleppmann, M. (2017). Reliable, scalable, and maintainable applications. Designing Data-Intensive Applications—The Big Ideas behind Reliable, Scalable, and Maintainable Systems, 3-22.