Tsyupak, Y., T. Tsyupak, Y. Tsyupak, A. Shwai, I. Vaskan, and L. Gnitetsky. “Motor Activity in the Structure of the Motivational-Value Orientations of Adolescents”. Physical Education, Sport and Health Culture in Modern Society, no. 2(46), June 2019, pp. 48-54, doi:10.29038/2220-7481-2019-02-48-54.