Журід, С., and О. Довбій. “Technical and Tactical Readiness of the Team "Helios&Quot; (Kharkiv) in the 26th Ukrainian Soccer Championship in the First League”. Slobozhanskyi Herald of Science and Sport, no. 6(68), Dec. 2018, pp. 49-53, doi:10.15391/snsv.2018-6.008.