M. M. Mandan-Horluu and U. B. Nurzat, “To the 120th anniversary of the first director of Tuvan National Museum V. P. Yermolayev”, НИТ, no. 4, Nov. 2012, Accessed: Mar. 04, 2026. [Online]. Available: https://nit.tuva.asia/nit/article/view/296