Rumpoko, Satrio Sakti, Karlina Dwi Jayanti, Rima Frebrianti, Arif Rohman Hakim, and Sunjoyo Sunjoyo. “Motivasi Berenang Ditinjau Dari Usia”. Jurnal Porkes 5, no. 2 (December 20, 2022): 609–619. Accessed May 1, 2024. https://e-journal.hamzanwadi.ac.id/index.php/porkes/article/view/7078.