Strany SĖV v mezhdunarodnom obmene tekhnologieĭ
by Oleg Timofeevich Bogomolov, A. N. Bykov
International cooperationTechnologyCouncil for Mutual Economic Assistance
Writing a summary for young readers…
For young readers
Book data: Open Library
by Oleg Timofeevich Bogomolov, A. N. Bykov
Book data: Open Library