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Lua i Stíl Chicago (17ú heag.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1971-1979. [Colombo]: Dept. of Census and Statistics, Ministry of Plan Implementation, 1980.
Lua MLA (8ú heag.)Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva. National Accounts of Sri Lanka, 1971-1979. Dept. of Census and Statistics, Ministry of Plan Implementation, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.