"People of Sri Lanka"(PDF). The Ministry of National Coexistence, Dialogue and Official Languages. March 2017. Archived from the original(PDF) on 1 January 2018. Retrieved 1 January 2018.
"People of Sri Lanka"(PDF). The Ministry of National Coexistence, Dialogue and Official Languages. March 2017. Archived from the original(PDF) on 1 January 2018. Retrieved 1 January 2018.