Istorii͡a na bŭlgarskii͡a pravopis
By: Rusin Rusinov.
Edition: 2. izd.
Publisher: Izd-vo Nauka i izkustvo
Published: 1985
Place of publication: Sofii͡a
Language: bul
Number of pages: 146
Subjects: Bulgarian language -- Orthography and spelling -- History.
Notes: Bibliography: p. 134-145.