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
"Onyenwaku, Chris E.","Impact of technological change on output, income, employment and factor shares in rice production in Southeastern Nigeria",,"African Rural Social Sciences Research Networks, Winrock International",1997,Issues in African rural development monograph series,,1573600067,,https://cir.nii.ac.jp/crid/1130000794307931648