Vrublevskaya, E. G., and A. A. Artyukhina. “Professional Pedagogical Olympiads As a Type of Informal Education and a Means of Developing Pedagogical Skills”. Pedagogika 90, no. 3 (March 15, 2026): 54–63. Accessed November 7, 2026. https://ojs.owebs.ru/pedagogika/article/view/30549.