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 "Hazel, Peter","Monitoring systems for managing natural resources : economics, indicators and environmental externalities in a Costa Rican watershed",,Environment and Production Technology Division. International Food Policy Research Institute,2001,EPTD discussion paper,,,,https://cir.nii.ac.jp/crid/1130282270995550720