Hardiansyah, Hardiansyah, Ahmad Nasrulloh, and Sulistiyono Sulistiyono. 2025. “The Influence of Circuit Training in Improving Technical Skills and Physical Performance of Young Football Players: A Systematic Review”. Physical Education Theory and Methodology 25 (4):954-62. https://doi.org/10.17309/tmfv.2025.4.25.