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","Innovation, receptivity and adoption in rubber smallholdings of Sri Lanka",,Agrarian Research and Training Institute,1986,Research study series,,,,https://cir.nii.ac.jp/crid/1130282272007607808