Spaan, Ernst
Labour migration from Sri Lanka to the Middle East / ernst Spaan
University of Leiden, 1989
Buku Teks
Silva, M.A. de
Communication policies in Sri Lanka
UNESCO, 1977
Buku Teks
Kearney, Robert N.
The politics of Ceylon (Sri Lanka)
Cornell University Press, 1973
Buku Teks
Hulugalle, H.A.J.
Guide to Ceylon (Sri Lanka)/ H.A.J. Hulugalle
Lake House Investments, 1969
Buku Teks
Diyasena, W.
Pre-vocational education in Sri Lanka / by W. Diyasena
Unesco, 1976
Buku Teks