Ismail. HASIL BELAJAR RENANG GAYA BEBAS MELALUI MODEL SISTEM PERSONAL DI SMA N 1 KUALUH HULU PROVINSI SUMATRA UTARA. FE [Internet]. 2022 Oct. 8 [cited 2025 Oct. 19];8(9). Available from: https://locomotor.untan.ac.id/index.php/fe/article/view/57