Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 宮川 幸三 and 菅 幹雄 and MIYAGAWA Kozo and SUGA Mikio,Development of A Method to Estimate Small Area GDP : A Provisional Estimation of GDP by Railroad line,研究所報,03852148,法政大学日本統計研究所,2017-08-01,49,,29-44,https://cir.nii.ac.jp/crid/1390009224830449792,https://doi.org/10.15002/00022533