Букова [Ludmila Bukova] Л. М., and Белоусова [Irina Belousova] І. М. “Taekwondo in the Physical Education of Children With Impaired Health”. Slobozhanskyi Herald of Science and Sport, no. 5(38), Dec. 2013, pp. 41-44, https://journals.uran.ua/index.php/1991-0177/article/view/20216.