L.I. Kostyunina, S.V. Bogatova, and A.A. Barannikov. 2023. “Functioning Model of the GTO Testing Center Àn the Basis of a Pedagogical University”. Theory and Practice of Physical Culture, no. 4 (April):76-80. http://tpfk.ru/index.php/TPPC/article/view/584.