References
- Statistics Singapore. (2020). Household expenditure survey 2017/18: Household income. www.singstat.gov.sg/modules/infographics/hes/household-income
- United Nations. (2010). The human right to water and sanitation. Resolution adopted by the General Assembly on 28 July 2010 (A/RES/64/292). https://www.un.org/ga/search/view_doc.asp?symbol=A/RES/64/292
- United Nations. (2020). The sustainable development goals report 2020. https://unstats.un.org/sdgs/report/2020/The-Sustainable-Development-Goals-Report-2020.pdf