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 "Abaka, Edmund","'Kola is God's gift' : agricultural production, export initiatives & the kola industry of Asante & the Gold Coast c. 1820-1950",,"James Currey,Ohio University Press,Woeli Publishing Services",2005,Western African studies,,"0852554915,0852554907,0821415735,0821415743",,https://cir.nii.ac.jp/crid/1130000798178892288