Found in 2 comments on Hacker News
kesor · 2018-03-29 · Original thread
Learn by watching and reading materials released by great system thinkers.

Ludwig von Bertalanffy

John Seddon

Theory of Constraints The Goal / Eli Goldratt Necessary but Not Sufficient / Eli Goldratt It's Not Luck / Eli Goldratt Isn't it Obvious? / Eli Goldratt Critical Chain / Eli Goldratt Be Fast or Be Gone / Andreas Scherer Hanging Fire / Jeff Cox Velocity / Dee Jacob Epiphanized / Bob Sproull & Bruce Nelson Focus and Leverage / Bob Sproull & Bruce Nelson

A full list of books on ToC here

Russell L. Ackoff

Gerald M. Weinberg

Philip B. Crosby

Peter M. Senge

And many more, most of which are mentioned by the above in their work.

kesor · 2015-02-02 · Original thread
For some useful theory for estimation and planning of projects, Eli Goldratt wrote amazing content in the book "Critical Chain" which is an easy to read novel.

Should you find yourself developing this tool further, these books will give you an edge that most other tools lack -

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