TY  - SER
ED  -  International Social Security Association.
ED  -  International Labour Office.
TI  -  The cost of social security =  Cout de la securite sociale = Costo d e la seguridad social 1949-1957
PY  - 1951///-1985
CY  -  Geneva : 
PB  -  International Social Security Association, 
KW  -  Social security
KW  -  Public welfare
ER  -