Saaya, S. K., M. V. Tanzy, and V. A. Shershneva. “Teaching Mathematics in the System of Pre-University Education in the Republic of Tuva”. Pedagogika 88, no. 10 (October 15, 2024): 38–48. Accessed November 7, 2026. https://ojs.owebs.ru/pedagogika/article/view/30340.