Text ( visual ) : unmediated Efficiency analysis by production frontiers : the nonparametric approach / by Jati K. Sengupta. -- Dordrecht ; Boston : Kluwer Academic Publishers , c1989. -- ix, 246 p. ; 25 cm. -- (Theory and decision library ; ser. B . Mathematical and statistical methods). -- Includes bibliographical references and indexes. -- ISBN 0792300289 ; (BA06817571) ; https://ci.nii.ac.jp/ncid/BA06817571 Author Heading(s): Sengupta, Jati Kumar. -- Classification(s): LCC : HB241 ; DC19 : 338.5. -- Subject Heading(s): LCSH : Production functions (Economic theory) ; LCSH : Parameter estimation