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 "Psacharopoulos, George",Why educational policies can fail : an overview of selected African experiences,,World Bank,1990,World Bank discussion papers,,0821315498,,https://cir.nii.ac.jp/crid/1130000798087233024