C. Fernando, R. Arifin, and A. Amirudin, “The Level of Knowledge of Futsal Extracurricular Students at SMPN 11 Banjarbaru on Tactics and Strategies in Futsal Sports”, Empiric. Journal, vol. 7, no. 2, pp. 1670–1678, Jun. 2026, doi: 10.36312/ej.v7i2.4803.