Strandzhansko-Sakarskii︠a︡t raĭon
Subtitle: problemi i perspektivi
By: V. T︠S︡ŭrvenkov, G. Chavdarova-Kŭrshakova, N. Grigorov
Publisher: Izd-vo Nauka i izkustvo
Published: 1984
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 107
Subjects: Economic conditions