Стецькович [Stetskovych S.] Сергій, Пітин [Pityn M.] Мар’ян, and Хитров [Hitrov E.] Євген. “Pentathlon Athletes Training Trends in Swimming Discipline in Accordance With the Competition Rules Changes”. Slobozhanskyi Herald of Science and Sport, no. 4(31) (October 30, 2012): 80–83. Accessed December 23, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/21937.