Title: Po pŭti︠a︡ na razvitoto sot︠s︡ialistichesko obshtestvo : materiali v pomosht na masovata polit. prosv. na OF /
Authors: Ivanov, Penʹo.; Rizov, Stoi︠a︡n.; Otechestven front.
Publisher: OF,
Year: 1975
Subjects: Otechestven front.; Bulgaria Economic conditions