ZUKOW, Walery, FLYUNT, Igor-Severyn, RUZHYLO, Sofiya, KOVAL’CHUK, Halyna, NAHURNA, Yaryna, POPOVYCH, Dariya and SARANCHA, Serhiy. Forecasting of multivariant changes in Step test under the influence of natural adaptogens. Pedagogy and Psychology of Sport. Online. 18 February 2021. Vol. 7, no. 1, pp. 85-93. [Accessed 22 July 2024]. DOI 10.12775/PPS.2021.07.01.005.