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 "Hopkinson, Nicholas","Desertification, debt and structural adjustment in Sub-Saharan Africa",,HMSO,1990,Wilton Park papers,,0117012297,,https://cir.nii.ac.jp/crid/1130000794403239040