RAMADHAN, Sahrul; PUTRANTO, Dedy; OKTARINA, Oktarina. The Effect of Drill Training Method on Badminton Backhand Hit Skills at PB Club. Sarma Pangkalpinang. Journal of Physical Education Innovation, [S. l.], v. 1, n. 1, p. 6–10, 2024. DOI: 10.55081/jopei.v1i1.2645. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JoPEI/article/view/2645. Acesso em: 1 sep. 2026.