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 "Lee, Youngsoo and Oh, Jeonghun and Seo, Hwanjoo and World Institute for Development Economics Research and United Nations University",Digital divide and growth gap : a cumulative relationship,,"World Institute for Development Economics Research, United Nations University",2002,WIDER discussion paper,,9291903000,,https://cir.nii.ac.jp/crid/1130000797894471680