K. S. Veralia, D. Purwanto, and G. Gunawan, “The Effectiveness of Play-Based Learning Methods in Improving Basic Badminton Serve Skills among Senior High School Students: Efektivitas Metode Pembelajaran Berbasis Bermain dalam Meningkatkan Keterampilan Servis Dasar Bulu Tangkis Siswa SMA ”, ainj, vol. 6, no. 4, pp. 480–489, Dec. 2025.