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 "Awad, Mohamed Hashim",Socio-economic change in the Sudan,,"Graduate College, University of Khartoum",1983,Graduate College publications,,,,https://cir.nii.ac.jp/crid/1130000795920871296