நூலகம்> தேசிய கல்வி நிறுவகம்
(1967). අධ්යාපනය අද කොයිබටද. : Ministry of Education and Cultural Affairs.
1967. අධ්යාපනය අද කොයිබටද. : Ministry of Education and Cultural Affairs.
අධ්යාපනය අද කොයිබටද. : Ministry of Education and Cultural Affairs. 1967.
Library Network, National Institute of Education (NIE) Maharagama