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 "Nijman, Charles",Irrigation management processes and conditions : a case study of Sri Lanka's Walawe Irrigation Improvement Project,,International Irrigation Management Institute,1991,IIMI country paper,,9290901349,,https://cir.nii.ac.jp/crid/1131975282643907456