MAMYSHEVA ELENA PETROVNA; YUYUKINA LYUDMILA VICTOROVNA. CONTRIBUTION OF K.K. SAMRIN TO THE FORMATION OF THE KHAKASS WRITING SYSTEM (in 1920-1930-s). Scientific Journal of Pedagogy and Economics, [S. l.], n. 1, p. 316–321, 2021. Disponível em: http://89.250.84.46/bulletin-science/article/view/436. Acesso em: 18 дек. 2025.