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)
Hiroyuki Takeshima,Custom‐hired tractor services and returns to scale in smallholder agriculture: a production function approach,Agricultural Economics,0169-5150,Wiley,2016-12-29,48,3,363-372,https://cir.nii.ac.jp/crid/1363670320502651008,https://doi.org/10.1111/agec.12339