நூலகம்> தேசிய கல்வி நிறுவகம்
(1972). අධ්යාපනයේ නව මඟ. Sri Lanka: Government Press.
1972. අධ්යාපනයේ නව මඟ. Sri Lanka: Government Press.
අධ්යාපනයේ නව මඟ. Sri Lanka: Government Press. 1972.
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