“Efforts To Improve Backhand Service And Long Forehand Service Results In Badminton Through Playing Methods In Students of SMP Negeri 3 Palembang”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, vol. 17, no. 2, June 2025, pp. 1317-23, https://competitor.idjournal.eu/index.php/competitor/article/view/115.