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)
Akihiro Otsuka,Inter‐regional networks and productive efficiency in Japan,Papers in Regional Science,1056-8190,Elsevier BV,2020-02,99,1,115-134,https://cir.nii.ac.jp/crid/1361975845654604928,https://doi.org/10.1111/pirs.12474