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 "Sepala, Asoka C. K.","Socio-economic conditions of coconut small-holding sector in Sri Lanka : a baseline study of the pre-project conditions of Colombo, Galle, Gampaha, Kegalle, Kalutara and Ratnapura districts",,Agrarian Research and Training Institute,1986,Research study series,,,,https://cir.nii.ac.jp/crid/1130282270712355456