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 "Heidhues, F.",Development strategies and food and nutrition security in Africa : an assessment,,International Food Policy Research Institute,2004,2020 discussion paper,,0896296512,,https://cir.nii.ac.jp/crid/1130000797331486592