Social security (manual)
By: [P. Penkov, K. Ribarski, D. Minev].
Contributors: Penkov, Petŭr.; Ribarski, Kiril.; Minev, D.
Publisher: George Dimitrov Trade Union Research Institute under the Central Council of the Bulgarian Trade Unions
Published: 1978
Place of publication: Sofia
Language: eng
Number of pages: 62
Subjects: Social security -- Bulgaria.
Other titles: State social security.
Notes: On cover: State social security.