Chelnii͡a︡t proizvodstven opit
By: sŭstaviteli, Licho Lichev, T͡S︡vetana Ralenkova, Darinka Mineva ; nauchen rŭkovoditel, Licho Lichev.
Contributors: Ralenkova, T͡S︡vetana.; Mineva, Darinka.
Publisher: Nauchnoizsl. in-t po profsŭi͡u︡zni problemi "G. Dimitrov" pri T͡S︡S na BPS
Published: 1900
Place of publication: Sofii͡a︡
Language: bul
Subjects: Industrial productivity -- Bulgaria -- Bibliography.; Labor  productivity -- Bulgaria -- Bibliography.
Notes: Includes index.