நூலகம்> தேசிய கல்வி நிறுவகம்
(1972). අධ්යාපනයේ නව මග. Colombo: Ministry of Education.
1972. අධ්යාපනයේ නව මග. Colombo: Ministry of Education.
අධ්යාපනයේ නව මග. Colombo: Ministry of Education. 1972.
Library Network, National Institute of Education (NIE) Maharagama