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 "Yamada, Tomoaki",Source of finance for social security reform with redistribution,,"Institute of Economic Research, Hitotsubashi University",2009,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282269995761792