1. Population distribution and basic demographic characteristic report Department of Statistics Malaysia [homepage on the internet]. c2010 [updated 2013 Sept 11
2. cited 2013 Sept 12]. Available from http://www.statistics.gov.my/portal/index.php?option=com_content&id=1215&Itemid=89&lang=en (2010).
3. ICID-Irrigation & Drainage in the World-A Global Review. pp 1-6 [homepage on the Internet]. c2010 [updated 2013 Sept 11
4. cited 2013 Sept 12]. Available from http://www.icid.org/i_d_malaysia.pdf .
5. Total population by ethnic group, administrative district and state, Malaysia Department of Statistics Malaysia [homepage on the Internet]. c2010 [updated 2013 Sept 11