Plokhikh, Andrij, and Gennadij Ogar. 2022. “Dynamics of Special Endurance of Athletes Aged 13-15 Years under the Influence of the Program of the Cossack Duel”. Pedagogy of Health 1 (1). Kharkiv, Ukraine:11-17. https://doi.org/10.15561/health.2022.0102.