Makhmutova, R. ., Prichinin, A. ., & Baranov, . A. . (2022). Mental health protecting recreational physical education model for 40-50-plus year-olds. Theory and Practice of Physical Culture, (11), 75–77. Retrieved from http://tpfk.ru/index.php/TPPC/article/view/56 (Original work published November 1, 2021)