நூலகம்> தேசிய கல்வி நிறுவகம்
(1984). පාසැල් සංගණනය. Colombo: Ministry of Education.
1984. පාසැල් සංගණනය. Colombo: Ministry of Education.
පාසැල් සංගණනය. Colombo: Ministry of Education. 1984.
Library Network, National Institute of Education (NIE) Maharagama