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 "Watanabe, Shigeo",An institutional analysis of biotrade contract implementation : the case of Namibian Marula Plant Oil,,Shaker,2015,Institutional change in agriculture and natural resources = Institutioneller Wandel der Landwirtschaft und Ressourcennutzung,,9783844037807,,https://cir.nii.ac.jp/crid/1130282271752270976