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)
Caroline Freund and Nikola Spatafora,"Remittances, transaction costs, and informality",Journal of Development Economics,0304-3878,Elsevier BV,2008-06,86,2,356-366,https://cir.nii.ac.jp/crid/1362262946173495680,https://doi.org/10.1016/j.jdeveco.2007.09.002