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
"Jayasena, W. G. and Herath, H. M. G. and Agrarian Research and Training Institute","Smallholder rubber replanting in Sri Lanka : trends, problems, and factors influencing their decisions",,Agrarian Research and Training Institute,1986,Research study series,,,,https://cir.nii.ac.jp/crid/1130282272511717248