Title: Okrŭzhna nauchno-prakticheska konferent͡sii͡a na tema "Mnogostrannoto razvitie na uchenit͡site ot I-III klas v uslovii͡ata na Edinnoto sredno politekhnichesko uchilishte", Mikhaĭlovgrad, i͡uni 1984 g
Subjects: Communist education, Congresses, History, Primary Education
Places: Bulgaria
Time periods: 20th century