Ramanathan, Ramu 1936- An introduction to data envelopment analysis : a tool for performance measurement / R. Ramanathan. - New Delhi ; Thousand Oaks, Calif. : Sage, 2003. - 201 p. : ill. ; 23 cm. Includes bibliographical references (p. [189]-195) and index. ISBN: 0761997601 (US hb) 076199761X (US pb) 8178292602 (India hb) 8178292610 (India pb) Subjects--Topical Terms: Industrial productivity--Measurement.Data envelopment analysis. Dewey Class. No.: 658.5150151972 / RAI 2003