2025. Interactive Duel Service Game Training to Improve Badminton Backhand Serve at SMPN Gollek School No 34 Selayar Islands. Jurnal Perjuangan dan Pengabdian Masyarakat : JPPM. 1, 3 (Sep. 2025), 57–65. DOI:https://doi.org/10.66968/jppm.