Chapter V—Application: The A-B-C-D Systems Thinking Approach and Model239
E
E
B
B
A
A
D
D
C
C
Environment
Throughput/Process
•
•
•
•
•
•
•
•
Feedback Loop
•
•
•
•
E
E
Environment
InputOutput
•
•
•
•
•
•
•
•
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