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 "Razafimahefa, Ivohasina Fizara and 羽森, 茂之",International competitiveness in Africa : policy implications in the sub-Saharan region,,Springer,2007,Advanced studies in theoretical and applied econometrics,,9783540689201,,https://cir.nii.ac.jp/crid/1130000797932795136