Tereschenko, I., A. Otsupok, S. Krupenio, T. Levchuk, and V. Boloban. “Evaluation of Freshmen Coordination Abilities on Practical Training in Gymnastics”. Physical Education of Students, Vol. 17, no. 3, June 2013, pp. 60-71, doi:10.6084/m9.figshare.663628.