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5.Which of the following is NOT true？
·Taylor's“scientificmanagement”was concerned with productivity.
·Gilbreth introduced techniques of time and motiostudy.
·Frank Gilbreth's fame was enhanced by a book writteby two of his children.
·The Gilbreth methods cabe used tocalculate the time a skilled worker needed to finish a task.

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出自：运营管理

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