நூலகம்> தேசிய கல்வி நிறுவகம்
(1989). සාධාරණත්වය රජ කරවමු. Sri Lanka: Government Information Department.
1989. සාධාරණත්වය රජ කරවමු. Sri Lanka: Government Information Department.
සාධාරණත්වය රජ කරවමු. Sri Lanka: Government Information Department. 1989.
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