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
"Opyene, James E.","Forms of peasant co-operatives in agriculture : case study in Lango, northern Uganda",,Centre for Basic Research,1994,CBR working paper,,,,https://cir.nii.ac.jp/crid/1130000794994347008