Efimov A.A., Ponomarev V.V., Prikhodov D.S. National sports and competitions in applied physical education of schoolchildren of the Sakha Republic: theoretical aspect. TPPC [Internet]. 2025 Mar. 30 [cited 2025 May 29];(2):78-9. Available from: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1267