Title: Materialy iz programmy Ministerstva vysshego i srednego spet͡sialʹnogo obrazovanii͡a SSSR dli͡a povyshenii͡a kvalifikat͡sii zarubezhnykh prepodavateleĭ russkogo i͡azyka
Subjects: Bulgarian speakers, Congresses, Russian language, Study and teaching, Study and teaching (Preschool)
Places: Bulgaria