11. This includes systems thinking , personal mastery, mental models, building a shared vision and team learning. 12. Sociological systems thinking started earlier, in the 19th century. 13. There has been some effort to use a systems thinking approach to health systems strengthening. 14. Ackoff was a pioneer in the field of operations research, systems thinking and management science. 15. Based on this framework, IE looks at environmental issues with a " systems thinking " approach. 16. His work has been influential in many fields, mainly the field of systems thinking and cybernetics. 17. *1992 : Gerald Weinberg, G . M ., Quality Software Management, Volume 1 : Systems Thinking . 18. Boundary critique is a general systems thinking principle similar to concepts as multiple perspectives, and interconnectedness. 19. The 2015 self-published book " Systems Thinking Made Simple " is an updated treatment of DSRP. 20. These theories were learning organization and systems thinking .
