@article{oai:dokkyo.repo.nii.ac.jp:00001768,
 author = {平井, 岳哉 and Hirai, Gakuya},
 issue = {102},
 journal = {獨協経済, Dokkyo University Studies of Economics},
 month = {Jul},
 pages = {33--46},
 title = {三井物産と石油化学企業との関係 : 技術導入など川上分野に中心に},
 year = {2018}
}