Arsy Chandni Naratama, Herman Tarigan, Ardian Cahyadi, Fransiskus Nurseto, and Boy Sembaba Tarigan. 2023. “Effectiveness of Learning Breaststroke Swimming With a Visualization Model of Basic Swimming Movement in High Grade Students at SD Negeri 8 Metro Center”. Jurnal Pendidikan Jasmani (JPJ) 4 (2), 203-11. https://doi.org/10.55081/jpj.v4i2.1303.