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 "Okem, Andrew Emmanuel",Theoretical and empirical studies on cooperatives : lessons for cooperatives in South Africa,,Springer,2016,SpringerBriefs in geography,,9783319342153,,https://cir.nii.ac.jp/crid/1130282270734603392