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 "Bandara, S. R. and Gunasena, H. P. M.",Intercropping coconut lands with minor export crops : Kurunegala District rural development project,,Agrarian Research and Training Institute,1983,Research study series,,,,https://cir.nii.ac.jp/crid/1130282272265584512