Kalуnychenko I. O. and Kolesnyk, A. S. (2021) “Features of the functional state of the cardiovascular system during cognitive load for children 5-6 years of age”, Cherkasy University Bulletin: Biological Sciences Series, (1), pp. 46–53. Available at: https://bio-ejournal.cdu.edu.ua/article/view/4249 (Accessed: 16 May 2026).