Obrazovanieto i nauchno-tekhnicheskii͡a︡t progres
By: Rashko Rashkov.
Publisher: Sofiĭski gradski kom-t na BKP
Published: 1986
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 72
Subjects: Educational technology -- Bulgaria.
Notes: Includes bibliographical references.