“THE EFFECT OF TARGET PRACTICE DRILLON THE ACCURACY OF BADMINTON FOREHAND SERVICE TECHNIQUE IN EXTRACURRICULAR COURSES AT SMA AL- ISLAM KRIAN”. Journal Sports Exercise Science International (SESI), vol. 1, no. 1, Dec. 2025, pp. 1-8, https://sesi.karirpublisher.org/index.php/sesi/article/view/13.