Comment by pella

"complexity theory" is very important!

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my favorite: New England Complex Systems Institute (NECSI) website!

* About Complex Systems : "Concept Map" http://www.necsi.edu/guide/concepts/conceptmap.html

* Learn: http://necsi.edu/learn.html

* "Dynamics of Complex Systems" - Full PDF: http://necsi.edu/publications/dcs/index.html

* NECSI Seminar Video Library: http://www.necsi.edu/events/vidlib/

* Research: http://necsi.edu/research.html