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 "International Bank for Reconstraction and Development and Hartley, Michael J. and Swanson, Eric V.",Retention of basic skills among dropouts from Egyptian primary schools,,"Development Research Dept., Economics and Research Staff, World Bank",1986,World Bank discussion papers,,,,https://cir.nii.ac.jp/crid/1130282271142720768