Бондар Анастасія Сергіївна (Anastasia Bondar), Салтан Наталія Миколаївна (Nataliia Saltan), and Салтан Олександр Миколайович (Oleksandr Saltan). “Calendar of Holding Sports Competitions As a Source in Study of Features of Development of Domestic Sport in the 30s of the Xxth Century”. Slobozhanskyi Herald of Science and Sport, no. 4(48) (August 31, 2015): 26–30. Accessed May 6, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/48640.