Influence Of Shadow And Shuttle Run Exercises On Badminton Sports Footwork Aged 13 - 15 Years At Pb Jaya Raya Jakarta. JCES [Internet]. 2024 May 9 [cited 2024 Sep. 3];3(1):57-68. Available from: https://ejurnal.ubharajaya.ac.id/index.php/JCESPORTS/article/view/1800