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) Ahmed Afif Monrat and Olov Schelen and Karl Andersson,"A Survey of Blockchain From the Perspectives of Applications, Challenges, and Opportunities",IEEE Access,2169-3536,Institute of Electrical and Electronics Engineers (IEEE),2019,7,,117134-117151,https://cir.nii.ac.jp/crid/1360564064084560384,https://doi.org/10.1109/access.2019.2936094