The Effect of Fartlek Training on the Development of Reactive Agility and Motor Response Speed Among Players of Al-Farahidi University’s Handball Team. JPKO [Internet]. 2026 Oct. 27 [cited 2026 Nov. 6];2(3):231-4. Available from: https://journalpejuang.web.id/index.php/jurnalpkopejuang/article/view/213