M. V. Bavuu-Surun, B. C. Oorzhak, and A. Y. Salchak, “Natalia Nikolaevna Shirobokova and her contribution to the study of Tuvan language”, НИТ, no. 1, Feb. 2016, Accessed: Mar. 03, 2026. [Online]. Available: https://nit.tuva.asia/nit/article/view/73