Джим [Victor Djim] В. Ю., and Адаменко [Nikolaj Adamenko] М. І. “Working Out of Method of Comparison of the Trainy Systems of Sportsmen-Bodybuilders”. Slobozhanskyi Herald of Science and Sport, no. 5(38), Dec. 2013, pp. 86-89, https://journals.uran.ua/index.php/1991-0177/article/view/20577.