Gunawan, I Dewa Gede Bagus Adityarama, et al. “Determinants Of Self-Confidence Of Buleleng Swimming Athletes”. Altius: Jurnal Ilmu Olahraga Dan Kesehatan, vol. 12, no. 1, Mar. 2025, pp. 107-15, doi:10.36706/altius.v12i1.21433.