நூலகம்> தேசிய கல்வி நிறுவகம்
(1996). අධ්යාපන ප්රගතිය. Isurupaya: Ministry of Education and Higher Education.
1996. අධ්යාපන ප්රගතිය. Isurupaya: Ministry of Education and Higher Education.
අධ්යාපන ප්රගතිය. Isurupaya: Ministry of Education and Higher Education. 1996.
Library Network, National Institute of Education (NIE) Maharagama