Rahmadana, Restu, and Maidarman Maidarman. “Analisis Keterampilan Renang Gaya Bebas Atlet Sailfish Swimming Club Padang”. Jurnal JPDO 1, no. 1 (November 29, 2019): 14-18. Accessed March 13, 2025. http://jpdo.ppj.unp.ac.id/index.php/jpdo/article/view/149.