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 8 July 2025]. DOI 10.12775/PPS.2021.07.01.005.