Hye-Soo, Cho, et al. “Comparison of Flight Time Based on Jump Amplitude in the 540° Back-Turn Technique in Taekwondo: Técnica De Giro Hacia atrás En Taekwondo”. Revista Ecos De La Academia, vol. 11, no. 21, June 2025, p. e1228, https://doi.org/10.53358/ecosacademia.v11i21.1228.