Improving Learning Outcomes Through Problem-Based Learning on Physical Fitness Material in Vocational High School Students. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 2, p. 1859–1865, 2025. DOI: 10.26858/cjpko.v17i2.268. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/268. Acesso em: 7 aug. 2025.