Tahapary, J., and J. Syaranamual. “LATIHAN TEKNIK DASAR DAPAT MENINGKATKAN HASIL RENANG GAYA BEBAS”. JARGARIA SPRINT: Journal Science of Sport and Health, Vol. 1, no. 1, June 2020, pp. 30-38, doi:10.30598/jargariasprintvol1issue1page30-38.