著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Arnold, Sam",Effectiveness of unemployment benefits in maintaining purchasing power,,"The Bureau of business research, College of commerce and administration, the Ohio State University",1943,Bureau of business research monograph,,,,https://cir.nii.ac.jp/crid/1130000794454677248