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

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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.