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 "Fosu, K. Yerfi and African Economic Research Consortium",The real exchange rate and Ghana's agricultural exports,,Centre for the Study of African Economies,1992,AERC research paper,,1897621019,,https://cir.nii.ac.jp/crid/1130000797928386560