20 let národního pojištění. 1948-1968.
Subtitle: [Sborník.]
Publisher: min. práce a soc. věcí, rozmn.
Published: 1968
Place of publication: Praha
Language: cze
Number of pages: 58
Subjects: Social security -- Czechoslovakia.
Other titles: Dvacet let národního pojištění. 1948-1968