Істомін [Istomin Andrej] А. Г., Лукавенко [Lukavenko Olena] О. Г., Ленська [Lenska Olga] О. В., Лобaньова [Lobanyva Olga] О. В., and Тимбота [Tymbota Miroclav] М. О. “Features Mode of Pupils Bay, Methods of Its Correction by Means of Physical Culture”. Slobozhanskyi Herald of Science and Sport, no. 5(38), Dec. 2013, pp. 112-6, https://journals.uran.ua/index.php/1991-0177/article/view/20581.