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 "Clements, Benedict and International Monetary Fund. European I Dept",The efficiency of education expenditure in Portugal,,International Monetary Fund,1999,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282273276053632