SUPRAYITNO. Authentic Assessment Of Butterfly Style Swimming Learning Results On The Competence Of PJKR Study Program Students. Journal Physical Health Recreation (JPHR), [S. l.], v. 3, n. 2, p. 242–250, 2023. DOI: 10.55081/jphr.v3i2.1118. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JPHR/article/view/1118. Acesso em: 17 oct. 2026.