BUSEL-KUCHYNSKAYA E. ELIMINATION ILLITERACY IN VITEBSK PROVINCE IN THE FIRST FIVE YEARS OF SOVIET POWER. Вестник Полоцкого государственного университета. Серия E. Педагогические науки [Internet]. 2019Dec.23 [cited 2024Jul.22];(15):2-6. Available from: https://journals.psu.by/pedagogical/article/view/110