Sengupta, Jati Efficiency models in data envelopment analysis Techniques of evaluation of productivity of firms in a growing economy - New York Palgrave Macmillan 2006 - xiv,245p. 23cm. ISBN: 9780230018866 Subjects--Uniform Titles: Industrial productivity-MeasurementIndustrial efficiency-Measurement-Mathematical models Dewey Class. No.: 658.515 / S28E