Popadynets’, O, A Gozhenko, W Zukow, and I Popovych. 2019. “Interpersonal Differences Between of the Entropies of EEG, HRV, Immunocytogram and Leukocytogram”. Journal of Education, Health and Sport 9 (6):534-45. https://apcz.umk.pl/JEHS/article/view/7170.