Ismail (2022) “HASIL BELAJAR RENANG GAYA BEBAS MELALUI MODEL SISTEM PERSONAL DI SMA N 1 KUALUH HULU PROVINSI SUMATRA UTARA”, Jurnal Locomotor, 8(9). Available at: https://locomotor.untan.ac.id/index.php/fe/article/view/57 (Accessed: 19 October 2025).