Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 伊藤 裕人,デュポンの国際経営戦略,Keiei Shigaku (Japan Business History Review),03869113,Business History Society of Japan,1977,12,3,90-104,https://cir.nii.ac.jp/crid/1390282680303679232,https://doi.org/10.5029/bhsj.12.3_90