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 15 January 2026]. DOI 10.12775/PPS.2021.07.01.005.