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
"Chege, Fred E. and University of Nairobi. Institute for Development Studies","Socioeconomic constraints to the adoption, and diffusion of chemical fertilizers among small-scale farmers : a Kenyan case study",,"Institute for Development Studies, University of Nairobi",1978,Working paper,,,,https://cir.nii.ac.jp/crid/1130282271199134464