Stevens, John 1935- Measuring purchasing performance : with special reference as to how purchasing performance is measured in the United Kingdom / John Stevens. - London : Business Books, 1978. - viii, 254 p. : ill. ; 24 cm. Includes bibliographies and index. ISBN: 0220663319 : Subjects--Topical Terms: Purchasing.Performance. Dewey Class. No.: 658.72 / STM 1978