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
Khalid Ali El Amin,Poverty causes in Sudan: some economic and political aspects 1990-2000,,"Economic Research Forum for the Arab Countries, Iran & Turkey, [1998]",1998,Working paper,,,,https://cir.nii.ac.jp/crid/1130282273303580416