Pardosi, Ronaldo Febryus, Luken Tambunan, Wahyudi Saputra Harahap, Blian Ebinejer Sipayung, Robert Bangun, and Nurkadri Nurkadri. “ANALISIS PENGEMBANGAN MODEL SERVIS DALAM CABANG OLAHRAGA TENNIS LAPANGAN”. Jurnal Pedagogik Olahraga 9, no. 2 (November 28, 2023): 122–125. Accessed April 26, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpor/article/view/53374.