Pravopisen rechnik na bŭlgarskii︠a︡ knizhoven ezik
Edition: 6., prepaboteno izd. / sŭstavili L. Andrĕichin [i dr.].
Publisher: Nauka i izkustvo
Published: 1965
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 424
Subjects: Bulgarian language; Orthography and spelling