1. UN-Water, Wastewater Management: A UN-Water Analytical Brief, 2015. 〈www.unwater.org/fi%20leadmin/user_upload/unwater_new/docs/UN-Water_Analytical_Brief_Wastewater_Management.pd〉.
2. UNESCO, The United Nations world water development report, 2017: Wastewater: the untapped resource, 2017.
3. Evaluating the life cycle environmental performance of chlorine disinfection and ultraviolet technologies;Das;Clean Technol. Environ. Policy,2002
4. USEPA, Ambient water quality criteria for bacteria EPA 440/5–84-002, 1986.
5. WHO, Global priority list of antibiotic-resistant bacteria to guide research, discovery and development of new antibiotics, Ginebra, 2017. 〈http://www.who.int/medicines/publications/WHO-PPL-Short_Summary_25Feb-ET_NM_WHO.pdf?ua=1〉.