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 "Nkonya, Ephraim and International Food Policy Research Institute","Linkages between land management, land degradation, and poverty in Sub-Saharan Africa : the case of Uganda",,International Food Policy Research Institute,2008,Research report,,9780896291683,,https://cir.nii.ac.jp/crid/1130282269245993344