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 (Dec. 2023), 203-211. DOI:https://doi.org/10.55081/jpj.v4i2.1303.