நூலகம்> தேசிய கல்வி நிறுவகம்
(1993). ශ්රී ලංකාව තුළ උද්ගතවන ජනගහන ගැටළු. : Ministry of Health and Women's Affairs.
1993. ශ්රී ලංකාව තුළ උද්ගතවන ජනගහන ගැටළු. : Ministry of Health and Women's Affairs.
ශ්රී ලංකාව තුළ උද්ගතවන ජනගහන ගැටළු. : Ministry of Health and Women's Affairs. 1993.
Library Network, National Institute of Education (NIE) Maharagama