"Mika Goto,Toshifumi Takahashi","Operational and environmental efficiencies of Japanese electric power companies from 2003 to 2015: Influence of market reform and Fukushima nuclear power accident",,"Mathematical Problems in Engineering, Hindawi",,"Vol. 2017","  Article ID 4936595","pp. 1-15",2018,Jan.
"高橋 俊史,後藤 美香","我が国の電力送変配電部門のDEAによる効率性評価","日本オペレーションズ・リサーチ学会","2017年秋季研究発表会アブストラクト集","日本オペレーションズ・リサーチ学会",,,,2017,Sept.