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
"Levinger, Beryl",School feeding programs in developing countries : an analysis of actual and potential impact,,U.S. Agency for International Development,1986,A.I.D. evaluation special study,,,,https://cir.nii.ac.jp/crid/1130000797100345728