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 "Ewusi, Kodwo",The determinants of price fluctuations in Ghana,,"Institute of Statistical, Social, and Economic Research, University of Ghana",1977,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130282272711646464