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 "Kayizzi-Mugerwa, Steve and World Institute for Development Economics Research and United Nations University",Privatization in sub-Saharan Africa : on factors affecting implementation,,"World Institute for Development Economics Research, United Nations University",2002,WIDER discussion paper,,9291901423,,https://cir.nii.ac.jp/crid/1130000797414033664