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 "Aldington, T. J.",Producer incentives as a means of promoting agriculture development : a case study of cotton in Kenya,,"Institute for Development Studies, University of Nairobi",1971,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130282270272614400