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
"Kannan, K. P. (Kappadath Parameswara) and Centre for Development Studies (Trivandrum, India)",The welfare fund model of social security for informal sector workers : the Kerala experience,,Centre for Development Studies,2002,Working paper,,,,https://cir.nii.ac.jp/crid/1130282269684745856