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＜図書＞
Performance and profitability : a manual of productivity and cost reduction techniques for industry and commerce / by M. J. Clay, B. H. Walley.
(Management studies series)

出版者	{London} : Longmans
出版年	1965
大きさ	xvi, 610 p. : ill. ; 23 cm.
著者標目	Clay, Michael John Walley, Brian Halford
件　名	Labor productivity Cost control
一般注記	Includes bibliographies and index.

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