Мельник Аліна Юріївна (Alina Mel’nik). “Studying the Physical Laws of Moving Ball at the Power Serve in Jump”. Slobozhanskyi Herald of Science and Sport, no. 1(45) (February 28, 2015): 81–84. Accessed July 18, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/37994.