9Alemayehu Haddis, Adriaan de Geyter, Ilse Smets, Bart Van derBruggen. Wastewater management in Ethiopian higher learninginstitutions: functionality, sustainablility and policy context [J].Journal of Environmental Planning and Management. 2014, 57(3):369-383.
5Ministry for the Environment.Proposed National Environmental Standard for On-site Wastewater Systems=Discussion Document[R]. New Zealand. 2008.
6Ministry for the Environment. Sustainable Wastewater Management: A Handbook for Smaller Communities[R]. Ministry for the Environment: Wellington. 2003.
7Japan Education Center of Environmental Santitation. History of johkasous[EB/OL], http://www.jeces.or.jp/e/johkasou/johkasou_hist. htm.
8日本环境省.平成19年度末的净化槽普及状况调查[R].2008.
9Ministry of Land, Infrastructure and Transport and Tourism of Japan. The Stucture Standard of Johkasou[M]. Tokyo:the Building Center of Japan, 2005.
10Takao Watanabe. Operation, Maintenance and Examination of Johkasou System [C].The 3rd World Water Forum, Kyoto, Japan. 2003.