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 "芹澤, 伸子",Investment strategy for a multinational enterprise : R&D investment and foreign direct investment,,"Faculty of Economics, Niigata University",2005,Working papers,,,,https://cir.nii.ac.jp/crid/1130282268658070016