Kirpikov A, Baranov A, N.Y. Erofeeva. Teenage martial arts groups: trainer’s locus of control versus trainees self-control tests and analyses . TPPC [Internet]. 2021 Nov. 1 [cited 2024 Jul. 3];(11). Available from: http://tpfk.ru/index.php/TPPC/article/view/55