Title: Nauchno-tekhnicheskii︠a︡t progres i intenzivnoto razvitie na promishlenoto proizvodstvo v NR Bŭlgarii︠a︡ /
Authors: Gazenov, Stefan.
Publisher: Nauka i izkustvo,
Year: 1988
Subjects: Technological innovations Economic aspects Bulgaria; Industrial productivity Bulgaria.; Industrial management Bulgaria