Summary of developments in social security by regions and countries 1990-1992.
368.40631 .a.24i.1a.i .
Asociación Internacional de la Seguridad Social. Asamblea General
Summary of developments in social security by regions and countries 1990-1992. . -- México: AISS, 1992. 120 p., 29 cm.
037917
Seguridad social
Seguridad social - Congresos.