Chernykh I. History of the komi-permyak writing system: a comparative overview of alphabets from the late 19th to the mid-20th century. ВПФИЦ [Internet]. 2026 Apr. 29 [cited 2026 May 24];1(1):89-105. Available from: https://journal.permsc.ru/index.php/pscj/article/view/3251