Marchenkov, Mykhailo, and Olena Nasonkina. 2021. “Increasing the Development Level of Strength Abilities of Athletes Aged 10-11 in Acrobatic Rock and Roll”. Slobozhanskyi Herald of Science and Sport, no. 1(81) (April):89-94. https://doi.org/10.15391/snsv.2021-1.012.