著者
遠藤 誠作
出版者
北海道大学公共政策大学院
雑誌
年報 公共政策学
巻号頁・発行日
vol.9, pp.169-183, 2015-03-31

The times when population decreased began in Japan, and time to reconsider a method of the conventional sewer construction came. Because individual processing is effective in the area having low population density, I think about the maintenance that utilized a septic tank.