[1]
Mamysheva Elena Petrovna и Yuyukina Lyudmila Victorovna 2021. CONTRIBUTION OF K.K. SAMRIN TO THE FORMATION OF THE KHAKASS WRITING SYSTEM (in 1920-1930-s). Научный журнал «Вестник НАН РК» . 1 (фев. 2021), 316–321.