Bukvar s razlichni pouchenii͡a︡ (Riben bukvar)
By: Petŭr Beron ; stŭkmil St. Stoĭkov ; predgovor Em. Georgiev.
Publisher: Izd-vo "Nar. prosveta"
Published: 1974
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 140