GandasariMaharani Fatima, YosikaGhana Firsta, Erna Yantiningsih, and Firman AnnurMuhammad. “Development of Tennis Achievements by Using Half the Competition”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat 4, no. 2 (July 7, 2023): 1195-1199. Accessed May 18, 2024. https://ejournal.unibabwi.ac.id/index.php/gandrung/article/view/2851.