Author
Ceylon Chamber of Commerce
3
Ceylon. Rēgu Depārtamēntuva
3
Bandaranayake, Senake
1
Ceylon Chamber of Commerce. Export Section
1
Ceylon Chamber of Commerce. Information Section
1
Ceylon. Dept. of Commerce
1
Ceylon. Dept. of Commerce and Industries
1
Dutta, Amita, 1921-
1
Gunewardena, Elaine
1
Iddagoḍa, Guṇapāla
1
Institute of Policy Studies (Colombo, Sri Lanka)
1
International Development Association
1
Karunaratne, Priyantha Padmalal
1
Madhyama Sạmsk̥rtika Aramudala (Sri Lanka)
1
People's Bank (Sri Lanka). Research Dept
1
Rasaputram, W. (Warnasena), 1927-
1
Sri Lanka. Rēgu Depārtamēntuva
1
Sri Lanka. Yunesk̄o J̄atika Mạṇdalaya
1
Weerakoon, Dushni
1
World Bank
1