Gvozdetskaya, S.S., and O.A. Sheshukova. “Research into Factors of Motivation and Self-Regulation in Sporting Activities”. Theory and Practice of Physical Culture, no. 11 (December 14, 2025): 39–41. Accessed December 16, 2025. http://www.tpfk.ru/index.php/TPPC/article/view/1507.