Propaganda na nauchno-tekhnicheskata literatura v nauchno-tekhnicheskite biblioteki
By: [redaktor N. Petkanchin].
Contributors: Petkanchin, N.; T͡S︡entralen institut za nauchna i tekhnicheska informat͡s︡ii͡a︡.
Publisher: T͡S︡entralen institut za nauchna i tekhnicheska informat͡s︡ii͡a︡
Published: 1980
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 62
Subjects: Scientific libraries -- Bulgaria.; Scientific literature -- Bulgaria.