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
"Koester, Ulrich",Regional cooperation to improve food security in southern and eastern African countries,,International Food Policy Research Institute,1986,Research report,,0896290530,,https://cir.nii.ac.jp/crid/1130000794742627328