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 "ARTI/Wageningen Project on Agricultural Planning and Herath, H. M. W.",Cinnamon cultivation in Matara District,,Agrarian Research and Training Institute,1981,Occasional publication series,,,,https://cir.nii.ac.jp/crid/1130282269685170304