The official business style of the Russian literary language. Problems of formation.: Официально-деловой стиль русского литературного языка. Проблематика формирования. JCL [Internet]. 2023 Jan. 2 [cited 2024 Apr. 30];(47):208-19. Available from: https://jcolang.uobaghdad.edu.iq/index.php/JCL/article/view/754