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
"竹田, 英二",An extended DEA model : appending an additional input to make all DMUs on the boundary,,Faculty of Economics and Osaka School of International Public Policy (OSIPP) Osaka University,1998,Discussion papers in economics and business,,,,https://cir.nii.ac.jp/crid/1130282268971951872