Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hibiki Akira,Economics of Environmental and Efficiency Management: Optimal Estimation by Productivity Approach,Review of Environmental Economics and Policy Studies,18823742,The Society for Environmental Economics and Policy Studies,2013-09-18,6,2,70-72,https://cir.nii.ac.jp/crid/1390005822567139712,https://doi.org/10.14927/reeps.6.2_70