International survey of social services /
International Labour Office.
- Geneva : International Labour Office, 1933.
- xxiii, 668 p. : ill. ; 24 cm.
- Studies and reports series M (social insurance) no. 11 .
Social security.
Employers' liability.
Workers' compensation.
Old age pensions.
Family allowances.
360 / INI
Social security.
Employers' liability.
Workers' compensation.
Old age pensions.
Family allowances.
360 / INI