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 "Dercon, Stefan and World Institute for Development Economics Research and United Nations University","Income risk, coping strategies and safety nets",,"World Institute for Development Economics Research, United Nations University",2002,WIDER discussion paper,,9291901628,,https://cir.nii.ac.jp/crid/1130000797497584128