“The Effect of Fartlek Training on the Development of Reactive Agility and Motor Response Speed Among Players of Al-Farahidi University’s Handball Team”. Jurnal Pendidikan Kepelatihan Olahraga: PEJUANG, vol. 2, no. 3, Oct. 2026, pp. 231-4, https://doi.org/10.66968/pejuang.sfxd3w36.