Republika na mladostta
By: [redaktor i sŭstavitel Ivan Serafimov].
Contributors: Serafimov, Ivan.
Edition: 1. izd.
Publisher: Nar. mladezh
Published: 1983
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 213
Subjects: Industrialization -- Bulgaria -- Sakar Mountains Region -- Miscellanea.; Industrialization -- Istranca Mountains Region (Turkey and Bulgaria) -- Miscellanea.; Sakar Mountains Region (Bulgaria) -- Economic conditions -- Miscellanea.; Istranca Mountains Region (Turkey and Bulgaria) -- Economic conditions -- Miscellanea.