நூலகம்> தேசிய கல்வி நிறுவகம்
Wijeyawardana G., . (1960). Vocational Guidance in Ceylon Schools. Sri Lanka: Goverment Press.
Wijeyawardana Gamini, . 1960. Vocational Guidance in Ceylon Schools. Sri Lanka: Goverment Press.
Wijeyawardana Gamini, . Vocational Guidance in Ceylon Schools. Sri Lanka: Goverment Press. 1960.
Library Network, National Institute of Education (NIE) Maharagama