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 "Hedlund, Stefan and Lundahl, Mats",Ideology as a determinant of economic systems : Nyerere and ujamaa in Tanzania,,Scandinavian Institute of African Studies,1989,Research report,,9171062912,,https://cir.nii.ac.jp/crid/1130282270763223808