著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI)
Nima Norouzi and Maryam Fani,"Black gold falls, black plague arise - An Opec crude oil price forecast using a gray prediction model",Upstream Oil and Gas Technology,2666-2604,Elsevier BV,2020-10,5,,100015,https://cir.nii.ac.jp/crid/1360861709848603392,https://doi.org/10.1016/j.upstre.2020.100015