@article{oai:barrel.repo.nii.ac.jp:00000378, author = {深田, 秀実 and 大津, 晶}, issue = {1}, journal = {商学討究}, month = {Jul}, pages = {273--289}, title = {階層構造を考慮した簡便な道路整備水準の評価手法について}, volume = {61}, year = {2010} }