Lean and Not Mean: Simple Management Most Effective [the broken link was removed]:
“The driver of lean is all from the customer perspective,” says Holmes. “When we talk about value, its value from the customer’s viewpoint. So in any project, we look at the ratio of time in process versus value added time.
This article is another simple overview: I like the title. For more information, see some of our favorite lean articles and our lean manufacturing blog posts.