Menu
Bekalan_air_dan_sanitasi_di_SingapuraMenu
Bekalan_air_dan_sanitasi_di_SingapuraBerkaitan
Rujukan
WikiPedia: Bekalan_air_dan_sanitasi_di_Singapura //doi.org/10.1080%2F07900620903392190 http://www.siwi.org/sa/node.asp?node=83 //tools.wmflabs.org/ftl/cgi-bin/ftl?st=wp&su=Bekal... //tools.wmflabs.org/ftl/cgi-bin/ftl?st=wp&su=Bekal... http://www.pub.gov.sg/Pages/default.aspx https://web.archive.org/web/20100704233807/http://... https://web.archive.org/web/20120606042420/http://... https://web.archive.org/web/20120607035104/http://...