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 "Conning, Jonathan and Kevane, Michael and World Institute for Development Economics Research and United Nations University",Why isn't there more financial intermediation in developing countries?,,"World Institute for Development Economics Research, United Nations University",2002,WIDER discussion paper,,9291901741,,https://cir.nii.ac.jp/crid/1130000797387113472