Лазоренко [Sergey Lazorenko] Сергій Анатолійович. 2013. “The Level of Motor Activity of Students of Higher Educational Institutions Sumy Region”. Slobozhanskyi Herald of Science and Sport, no. 4(37) (October):34-37. https://journals.uran.ua/index.php/1991-0177/article/view/20974.