著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Yureana WIJAYANTI and Takashi NAKAMURA and Kei NISHIDA,GROUNDWATER NITRATE CONTAMINATION IN SMALL AGRICULTURE AREA: ASSESSING THE SOURCE AND PROCESS USING ISOTOPES AND IONS,"水工学論文集 Annual journal of Hydraulic Engineering, JSCE",18808751,東京 : 土木学会,2013,57,,1_223-228,https://cir.nii.ac.jp/crid/1520853832710962432,