Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "谷沢, 弘毅",Research review of studies related to Secular Trends in Japanese GDP,The review of economics and commerce,0286-8342,神奈川大学経済学会,2019-12-25,55,1-2,17-41,https://cir.nii.ac.jp/crid/1050846637595644544,