Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOMITA Shinji and OZAWA Yuta,A Study of External Benefts of Cost-Benefit Analysis for Land Improvement Projects,"Water,Land and Environmental Engineering",18822770,The Japanese Society of Irrigation Drainage and Rural Engineering,2009,77,3,"173-176,a1",https://cir.nii.ac.jp/crid/1390282763084037888,https://doi.org/10.11408/jjsidre.77.3_173