Томенко Олександр Анатолійович (Alexander Tomenko), and Деменков Денис Вікторович (Denis Demenkov). “The Current State of Organizational and Methodological Support of Study Group in Football With Secondary School Students”. Slobozhanskyi Herald of Science and Sport, no. 3(41) (June 25, 2014): 101–105. Accessed May 3, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/25311.