Sundrum, R. M.
Manpower resources of Ceylon 1956 -1981 R. M. Sundrum - Colombo National Planning Council 1959 - 31 p.
Labour economics-Sri Lanka
331.112 / SUN
Manpower resources of Ceylon 1956 -1981 R. M. Sundrum - Colombo National Planning Council 1959 - 31 p.
Labour economics-Sri Lanka
331.112 / SUN