著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Tsukuda, Yoshihiko and 宮越, 龍義",A re-consideration on technical inefficiency in stochastic frontier production models,,University of Tsukuba,2002,Institute of Policy and Planning Sciences discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282269345590400