Ramadhan, Sahrul, Dedy Putranto, and Oktarina Oktarina. “The Effect of Drill Training Method on Badminton Backhand Hit Skills at PB Club. Sarma Pangkalpinang”. Journal of Physical Education Innovation 1, no. 1 (June 30, 2024): 6-10. Accessed April 18, 2026. https://jurnal.stokbinaguna.ac.id/index.php/JoPEI/article/view/2645.