PRATOMO, Eko Setya. Problem-Based Learning Model to Improve High School Students’ Knowledge of Athletics Sports Material Learning Achievement. ETDC: Indonesian Journal of Research and Educational Review , [S. l.], v. 4, n. 1, p. 45–56, 2024. DOI: 10.51574/ijrer.v4i1.318. Disponível em: https://www.etdci.org/journal/ijrer/article/view/318. Acesso em: 3 aug. 2025.