@article{oai:ehime-u.repo.nii.ac.jp:02002223, author = {岡本, 直之}, issue = {1/2/3}, journal = {愛媛経済論集}, month = {Mar}, pages = {21--32}, title = {下水処理施設の包括民間委託に伴う課題と改善策}, volume = {30}, year = {2011} }